Beginning and Intermediate Algebra (6th Edition)
6th Edition
ISBN: 9780321969163
Author: Margaret L. Lial, John Hornsby, Terry McGinnis
Publisher: PEARSON
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Textbook Question
Chapter 12.5, Problem 34E
Suppose that water from a wetland area is sampled and found to have the given hydronium ion concentration. Is the wetland a rich fen, a poor fen, or a bog? See Example 2.
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Chapter 12 Solutions
Beginning and Intermediate Algebra (6th Edition)
Ch. 12.1 - Prob. 1ECh. 12.1 - Prob. 2ECh. 12.1 - Prob. 3ECh. 12.1 - Prob. 4ECh. 12.1 - Prob. 5ECh. 12.1 - Prob. 6ECh. 12.1 - Prob. 7ECh. 12.1 - Prob. 8ECh. 12.1 - Prob. 9ECh. 12.1 - If the function is one-to-one, find its inverse....
Ch. 12.1 - If the function is one-to-one, find its inverse....Ch. 12.1 - If the function is one-to-one, find its inverse....Ch. 12.1 - If the function is one-to-one, find its inverse....Ch. 12.1 - Prob. 14ECh. 12.1 - Prob. 15ECh. 12.1 - Prob. 16ECh. 12.1 - Prob. 17ECh. 12.1 - Prob. 18ECh. 12.1 - Prob. 19ECh. 12.1 - Prob. 20ECh. 12.1 - Prob. 21ECh. 12.1 - Prob. 22ECh. 12.1 - Prob. 23ECh. 12.1 - Prob. 24ECh. 12.1 - Each function is one-to-one. Find its inverse. See...Ch. 12.1 - Each function is one-to-one. Find its inverse. See...Ch. 12.1 - Each function is one-to-one. Find its inverse. See...Ch. 12.1 - Each function is one-to-one. Find its inverse. See...Ch. 12.1 - Each function is one-to-one. Find its inverse. See...Ch. 12.1 - Each function is one-to-one. Find its inverse. See...Ch. 12.1 - Concept Check Let f(x)=2x. We will see in the next...Ch. 12.1 - Concept Check Let . We will see in the next...Ch. 12.1 - Concept Check Let . We will see in the next...Ch. 12.1 - Concept Check Let f(x)=2x. We will see in the next...Ch. 12.1 - The graphs of some functions are given in...Ch. 12.1 - Prob. 36ECh. 12.1 - Prob. 37ECh. 12.1 - Prob. 38ECh. 12.1 - Prob. 39ECh. 12.1 - Prob. 40ECh. 12.1 - Prob. 41ECh. 12.1 - Prob. 42ECh. 12.1 - Prob. 43ECh. 12.1 - Prob. 44ECh. 12.1 - Prob. 45ECh. 12.1 - Each function in Exercises 41–48 is one-to-one....Ch. 12.1 - Prob. 47ECh. 12.1 - Prob. 48ECh. 12.1 - Prob. 49ECh. 12.1 - Work Exercises 4952 in order. You receive the...Ch. 12.1 - Prob. 51ECh. 12.1 - Prob. 52ECh. 12.2 - Prob. 1ECh. 12.2 - Prob. 2ECh. 12.2 - Prob. 3ECh. 12.2 - Prob. 4ECh. 12.2 - Prob. 5ECh. 12.2 - Prob. 6ECh. 12.2 - Prob. 7ECh. 12.2 - Prob. 8ECh. 12.2 - Prob. 9ECh. 12.2 - Prob. 10ECh. 12.2 - Prob. 11ECh. 12.2 - Prob. 12ECh. 12.2 - Prob. 13ECh. 12.2 - Prob. 14ECh. 12.2 - Prob. 15ECh. 12.2 - Prob. 16ECh. 12.2 - Prob. 17ECh. 12.2 - Prob. 18ECh. 12.2 - Prob. 19ECh. 12.2 - Prob. 20ECh. 12.2 - Prob. 21ECh. 12.2 - Prob. 22ECh. 12.2 - Prob. 23ECh. 12.2 - Prob. 24ECh. 12.2 - Prob. 25ECh. 12.2 - Prob. 26ECh. 12.2 - Solve each equation. See Examples 5 and 6.
27.
Ch. 12.2 - Solve each equation. See Examples 5 and 6.
28.
Ch. 12.2 - Solve each equation. See Examples 5 and 6....Ch. 12.2 - Solve each equation. See Examples 5 and 6. 8x=4Ch. 12.2 - Solve each equation. See Examples 5 and 6....Ch. 12.2 - Solve each equation. See Examples 5 and 6....Ch. 12.2 - Solve each equation. See Examples 5 and 6. 5x=1125Ch. 12.2 - Solve each equation. See Examples 5 and 6. 3x=181Ch. 12.2 - Solve each equation. See Examples 5 and 6.
35.
Ch. 12.2 - Solve each equation. See Examples 5 and 6. 10x=0.1Ch. 12.2 - Solve each equation. See Examples 5 and 6.
37.
Ch. 12.2 - Prob. 38ECh. 12.2 - The amount of radioactive material in an ore...Ch. 12.2 - Prob. 40ECh. 12.2 - Prob. 41ECh. 12.2 - The amount of radioactive material in an ore...Ch. 12.2 - Prob. 43ECh. 12.2 - Prob. 44ECh. 12.2 - Prob. 45ECh. 12.2 - Prob. 46ECh. 12.2 - Prob. 47ECh. 12.2 - Prob. 48ECh. 12.2 - Prob. 49ECh. 12.2 - Prob. 50ECh. 12.3 - Prob. 1ECh. 12.3 - Prob. 2ECh. 12.3 - 3. Concept Check The domain of is while the range...Ch. 12.3 - Prob. 4ECh. 12.3 - Write in logarithmic form. See Example 1. 45=1024Ch. 12.3 - Write in logarithmic form. See Example 1. 36=729Ch. 12.3 - Write in logarithmic form. See Example 1.
7.
Ch. 12.3 - Write in logarithmic form. See Example 1....Ch. 12.3 - Write in logarithmic form. See Example 1....Ch. 12.3 - Write in logarithmic form. See Example 1.
10.
Ch. 12.3 - Prob. 11ECh. 12.3 - Write in logarithmic form. See Example 1. 3433=7Ch. 12.3 - Write in logarithmic form. See Example 1. 82/3=14Ch. 12.3 - Prob. 14ECh. 12.3 - Write in logarithmic form. See Example 1. 50=1Ch. 12.3 - Write in logarithmic form. See Example 1. 70=1Ch. 12.3 - Prob. 17ECh. 12.3 - Write in exponential form. See Example 1....Ch. 12.3 - Write in exponential form. See Example 1.
19.
Ch. 12.3 - Prob. 20ECh. 12.3 - Write in exponential form. See Example 1. log61=0Ch. 12.3 - Write in exponential form. See Example 1. log1=0Ch. 12.3 - Prob. 23ECh. 12.3 - Write in exponential form. See Example 1.
24.
Ch. 12.3 - Write in exponential form. See Example 1.
25.
Ch. 12.3 - Write in exponential form. See Example 1.
26.
Ch. 12.3 - Prob. 27ECh. 12.3 - Write in exponential form. See Example 1....Ch. 12.3 - Concept Check Match each logarithm in Column I...Ch. 12.3 - Prob. 30ECh. 12.3 - Prob. 31ECh. 12.3 - Prob. 32ECh. 12.3 - Prob. 33ECh. 12.3 - Prob. 34ECh. 12.3 - Prob. 35ECh. 12.3 - Prob. 36ECh. 12.3 - Prob. 37ECh. 12.3 - Prob. 38ECh. 12.3 - Prob. 39ECh. 12.3 - Prob. 40ECh. 12.3 - Prob. 41ECh. 12.3 - Prob. 42ECh. 12.3 - Solve each equation. See Example 3. x=log273Ch. 12.3 - Solve each equation. See Example 3.
44.
Ch. 12.3 - Prob. 45ECh. 12.3 - Solve each equation. See Example 3. logx5=12Ch. 12.3 - Prob. 47ECh. 12.3 - Solve each equation. See Example 3.
48.
Ch. 12.3 - Solve each equation. See Example 3.
49.
Ch. 12.3 - Prob. 50ECh. 12.3 - Solve each equation. See Example 3.
51.
Ch. 12.3 - Prob. 52ECh. 12.3 - Solve each equation. See Example 3. logx125=2Ch. 12.3 - Prob. 54ECh. 12.3 - Solve each equation. See Example 3. log832=xCh. 12.3 - Prob. 56ECh. 12.3 - Solve each equation. See Example 3. log4=xCh. 12.3 - Prob. 58ECh. 12.3 - Solve each equation. See Example 3.
59.
Ch. 12.3 - Prob. 60ECh. 12.3 - Solve each equation. See Example 3. log4(2x+4)=3Ch. 12.3 - Solve each equation. See Example 3.
62.
Ch. 12.3 - Use the special properties of logarithms to...Ch. 12.3 - Use the special properties of logarithms to...Ch. 12.3 - Prob. 65ECh. 12.3 - Use the special properties of logarithms to...Ch. 12.3 - Use the special properties of logarithms to...Ch. 12.3 - Prob. 68ECh. 12.3 - Use the special properties of logarithms to...Ch. 12.3 - Prob. 70ECh. 12.3 - Use the special properties of logarithms to...Ch. 12.3 - Prob. 72ECh. 12.3 - Use the special properties of logarithms to...Ch. 12.3 - Prob. 74ECh. 12.3 - Use the special properties of logarithms to...Ch. 12.3 - Use the special properties of logarithms to...Ch. 12.3 - Use the special properties of logarithms to...Ch. 12.3 - Prob. 78ECh. 12.3 - Use the special properties of logarithms to...Ch. 12.3 - Prob. 80ECh. 12.3 - Use the special properties of logarithms to...Ch. 12.3 - Use the special properties of logarithms to...Ch. 12.3 - If is on the graph of (for and), then is on the...Ch. 12.3 - Prob. 84ECh. 12.3 - Prob. 85ECh. 12.3 - Prob. 86ECh. 12.3 - Prob. 87ECh. 12.3 - Prob. 88ECh. 12.3 - Prob. 89ECh. 12.3 - Prob. 90ECh. 12.3 - Prob. 91ECh. 12.3 - Prob. 92ECh. 12.3 - Prob. 93ECh. 12.3 - Prob. 94ECh. 12.3 - Prob. 95ECh. 12.3 - Solve each problem. See Example 7.
96. A study...Ch. 12.3 - Prob. 97ECh. 12.3 - The Richter scale is used to measure the intensity...Ch. 12.4 - Concept Check Decide whether each statement of a...Ch. 12.4 - Concept Check Decide whether each statement of a...Ch. 12.4 - Concept Check Decide whether each statement of a...Ch. 12.4 - Prob. 4ECh. 12.4 - 5. Concept Check A student erroneously wrote. When...Ch. 12.4 - Prob. 6ECh. 12.4 - Use the indicated rule of logarithms to complete...Ch. 12.4 - Prob. 8ECh. 12.4 - Use the indicated rule of logarithms to complete...Ch. 12.4 - Use the indicated rule of logarithms to complete...Ch. 12.4 - Use the indicated rule of logarithms to complete...Ch. 12.4 - Use the indicated rule of logarithms to complete...Ch. 12.4 - Prob. 13ECh. 12.4 - Use properties of logarithms to express each...Ch. 12.4 - Use properties of logarithms to express each...Ch. 12.4 - Use properties of logarithms to express each...Ch. 12.4 - Use properties of logarithms to express each...Ch. 12.4 - Use properties of logarithms to express each...Ch. 12.4 - Use properties of logarithms to express each...Ch. 12.4 - Use properties of logarithms to express each...Ch. 12.4 - Use properties of logarithms to express each...Ch. 12.4 - Use properties of logarithms to express each...Ch. 12.4 - Use properties of logarithms to express each...Ch. 12.4 - Prob. 24ECh. 12.4 - Use properties of logarithms to write each...Ch. 12.4 - Prob. 26ECh. 12.4 - Use properties of logarithms to write each...Ch. 12.4 - Prob. 28ECh. 12.4 - Use properties of logarithms to write each...Ch. 12.4 - Prob. 30ECh. 12.4 - Use properties of logarithms to write each...Ch. 12.4 - Prob. 32ECh. 12.4 - Use properties of logarithms to write each...Ch. 12.4 - Prob. 34ECh. 12.4 - Use properties of logarithms to write each...Ch. 12.4 - Prob. 36ECh. 12.4 - Prob. 37ECh. 12.4 - Prob. 38ECh. 12.4 - Prob. 39ECh. 12.4 - Prob. 40ECh. 12.4 - Prob. 41ECh. 12.4 - Prob. 42ECh. 12.4 - Prob. 43ECh. 12.4 - Prob. 44ECh. 12.4 - Prob. 45ECh. 12.4 - Prob. 46ECh. 12.4 - Prob. 47ECh. 12.4 - Prob. 48ECh. 12.4 - Prob. 49ECh. 12.4 - Prob. 50ECh. 12.4 - Prob. 51ECh. 12.4 - Decide whether each statement is true or false....Ch. 12.4 - Prob. 53ECh. 12.4 - Decide whether each statement is true or false....Ch. 12.4 - Decide whether each statement is true or false....Ch. 12.4 - Decide whether each statement is true or false....Ch. 12.5 - Concept Check Choose the correct response.
1. What...Ch. 12.5 - Prob. 2ECh. 12.5 - Concept Check Choose the correct response. Given...Ch. 12.5 - Concept Check Choose the correct response. Given...Ch. 12.5 - Prob. 5ECh. 12.5 - Prob. 6ECh. 12.5 - You will need a calculator for most of the...Ch. 12.5 - Prob. 8ECh. 12.5 - You will need a calculator for most of the...Ch. 12.5 - Prob. 10ECh. 12.5 - You will need a calculator for most of the...Ch. 12.5 - Prob. 12ECh. 12.5 - You will need a calculator for most of the...Ch. 12.5 - You will need a calculator for most of the...Ch. 12.5 - You will need a calculator for most of the...Ch. 12.5 - Prob. 16ECh. 12.5 - You will need a calculator for most of the...Ch. 12.5 - You will need a calculator for most of the...Ch. 12.5 - You will need a calculator for most of the...Ch. 12.5 - You will need a calculator for most of the...Ch. 12.5 - You will need a calculator for most of the...Ch. 12.5 - Prob. 22ECh. 12.5 - You will need a calculator for most of the...Ch. 12.5 - Prob. 24ECh. 12.5 - You will need a calculator for most of the...Ch. 12.5 - You will need a calculator for most of the...Ch. 12.5 - You will need a calculator for most of the...Ch. 12.5 - You will need a calculator for most of the...Ch. 12.5 - Prob. 29ECh. 12.5 - You will need a calculator for most of the...Ch. 12.5 - Prob. 31ECh. 12.5 - Concept Check Let k represent the number of...Ch. 12.5 - Prob. 33ECh. 12.5 - Suppose that water from a wetland area is sampled...Ch. 12.5 - Prob. 35ECh. 12.5 - Suppose that water from a wetland area is sampled...Ch. 12.5 - Suppose that water from a wetland area is sampled...Ch. 12.5 - Suppose that water from a wetland area is sampled...Ch. 12.5 - Find the pH of the substance with the given...Ch. 12.5 - Find the pH of the substance with the given...Ch. 12.5 - Find the pH of the substance with the given...Ch. 12.5 - Prob. 42ECh. 12.5 - Find the hydronium ion concentration of the...Ch. 12.5 - Prob. 44ECh. 12.5 - Find the hydronium ion concentration of the...Ch. 12.5 - Prob. 46ECh. 12.5 - Solve each problem. See Examples 4 and...Ch. 12.5 - Prob. 48ECh. 12.5 - Solve each problem. See Examples 4 and 6. The...Ch. 12.5 - Prob. 50ECh. 12.5 - Prob. 51ECh. 12.5 - Solve each problem. See Examples 4 and 6.
52. In...Ch. 12.5 - Prob. 53ECh. 12.5 - Solve each problem. See Examples 4 and 6.
54. The...Ch. 12.5 - Use the change-of-base rule (with either common or...Ch. 12.5 - Prob. 56ECh. 12.5 - Use the change-of-base rule (with either common or...Ch. 12.5 - Prob. 58ECh. 12.5 - Use the change-of-base rule (with either common or...Ch. 12.5 - Prob. 60ECh. 12.5 - Use the change-of-base rule (with either common or...Ch. 12.5 - Prob. 62ECh. 12.5 - Use the change-of-base rule (with either common or...Ch. 12.5 - Prob. 64ECh. 12.5 - Use the change-of-base rule (with either common or...Ch. 12.5 - Use the change-of-base rule (with either common or...Ch. 12.5 - Prob. 67ECh. 12.5 - Prob. 68ECh. 12.6 - Prob. 1ECh. 12.6 - Prob. 2ECh. 12.6 - Prob. 3ECh. 12.6 - Prob. 4ECh. 12.6 - Solve each equation. Approximate solutions to...Ch. 12.6 - Prob. 6ECh. 12.6 - Solve each equation. Approximate solutions to...Ch. 12.6 - Prob. 8ECh. 12.6 - Solve each equation. Approximate solutions to...Ch. 12.6 - Solve each equation. Approximate solutions to...Ch. 12.6 - Prob. 11ECh. 12.6 - Solve each equation. Approximate solutions to...Ch. 12.6 - Prob. 13ECh. 12.6 - Solve each equation. Approximate solutions to...Ch. 12.6 - Prob. 15ECh. 12.6 - Prob. 16ECh. 12.6 - Solve each equation. Use natural logarithms. When...Ch. 12.6 - Solve each equation. Use natural logarithms. When...Ch. 12.6 - Solve each equation. Use natural logarithms. When...Ch. 12.6 - Solve each equation. Use natural logarithms. When...Ch. 12.6 - Prob. 21ECh. 12.6 - Solve each equation. Use natural logarithms. When...Ch. 12.6 - Solve each equation. Use natural logarithms. When...Ch. 12.6 - Prob. 24ECh. 12.6 - Solve each equation. Use natural logarithms. When...Ch. 12.6 - Solve each equation. Use natural logarithms. When...Ch. 12.6 - Prob. 27ECh. 12.6 - Prob. 28ECh. 12.6 - Solve each equation. Give exact solutions. See...Ch. 12.6 - Solve each equation. Give exact solutions. See...Ch. 12.6 - Prob. 31ECh. 12.6 - Solve each equation. Give exact solutions. See...Ch. 12.6 - Prob. 33ECh. 12.6 - Prob. 34ECh. 12.6 - Solve each equation. Give exact solutions. See...Ch. 12.6 - Prob. 36ECh. 12.6 - Solve each equation. Give exact solutions. See...Ch. 12.6 - Solve each equation. Give exact solutions. See...Ch. 12.6 - Prob. 39ECh. 12.6 - Concept Check Suppose that in solving a...Ch. 12.6 - Solve each equation. Give exact solutions. See...Ch. 12.6 - Prob. 42ECh. 12.6 - Solve each equation. Give exact solutions. See...Ch. 12.6 - Prob. 44ECh. 12.6 - Prob. 45ECh. 12.6 - Prob. 46ECh. 12.6 - Prob. 47ECh. 12.6 - Prob. 48ECh. 12.6 - Prob. 49ECh. 12.6 - Prob. 50ECh. 12.6 - Prob. 51ECh. 12.6 - Prob. 52ECh. 12.6 - Prob. 53ECh. 12.6 - Solve each problem. See Examples 810. How much...Ch. 12.6 - Prob. 55ECh. 12.6 - Prob. 56ECh. 12.6 - Prob. 57ECh. 12.6 - Solve each problem. See Examples 8–10.
58. Find...Ch. 12.6 - Prob. 59ECh. 12.6 - Prob. 60ECh. 12.6 - Prob. 61ECh. 12.6 - Prob. 62ECh. 12.6 - Prob. 63ECh. 12.6 - Prob. 64ECh. 12.6 - Prob. 65ECh. 12.6 - Prob. 66ECh. 12 - Prob. 1TYWPCh. 12 - Prob. 2TYWPCh. 12 - Prob. 3TYWPCh. 12 - Prob. 4TYWPCh. 12 - Prob. 5TYWPCh. 12 - See how well you have learned the vocabulary in...Ch. 12 - Prob. 1RECh. 12 - Prob. 2RECh. 12 - Prob. 3RECh. 12 - Prob. 4RECh. 12 - Prob. 5RECh. 12 - Prob. 6RECh. 12 - Prob. 7RECh. 12 - Prob. 8RECh. 12 - Prob. 9RECh. 12 - Prob. 10RECh. 12 - Prob. 11RECh. 12 - Prob. 12RECh. 12 - Prob. 13RECh. 12 - Prob. 14RECh. 12 - Prob. 15RECh. 12 - Prob. 16RECh. 12 - Prob. 17RECh. 12 - Prob. 18RECh. 12 - Prob. 19RECh. 12 - 12.3 Use a calculator to approximate each...Ch. 12 - Prob. 21RECh. 12 - Prob. 22RECh. 12 - Prob. 23RECh. 12 - Prob. 24RECh. 12 - Prob. 25RECh. 12 - Prob. 26RECh. 12 - Prob. 27RECh. 12 - Prob. 28RECh. 12 - Prob. 29RECh. 12 - Prob. 30RECh. 12 - A company has found that total sales, in thousands...Ch. 12 - Prob. 32RECh. 12 - Prob. 33RECh. 12 - Prob. 34RECh. 12 - Prob. 35RECh. 12 - Prob. 36RECh. 12 - Prob. 37RECh. 12 - Prob. 38RECh. 12 - Prob. 39RECh. 12 - Prob. 40RECh. 12 - Prob. 41RECh. 12 - Prob. 42RECh. 12 - Prob. 43RECh. 12 - Find the pH of each substance with the given...Ch. 12 - 45. If orange juice has pH 4.6, what is its...Ch. 12 - Prob. 46RECh. 12 - Prob. 47RECh. 12 - Prob. 48RECh. 12 - Prob. 49RECh. 12 - Prob. 50RECh. 12 - Prob. 51RECh. 12 - Prob. 52RECh. 12 - Prob. 53RECh. 12 - Prob. 54RECh. 12 - Prob. 55RECh. 12 - Prob. 56RECh. 12 - Prob. 57RECh. 12 - Prob. 58RECh. 12 - Prob. 59RECh. 12 - Prob. 60RECh. 12 - Prob. 61RECh. 12 - Prob. 62RECh. 12 - Prob. 63RECh. 12 - Prob. 64RECh. 12 - Prob. 1MRECh. 12 - Prob. 2MRECh. 12 - Prob. 3MRECh. 12 - Prob. 4MRECh. 12 - Prob. 5MRECh. 12 - Prob. 6MRECh. 12 - Solve each equation. log3(x+9)=4Ch. 12 - Prob. 8MRECh. 12 - Prob. 9MRECh. 12 - Prob. 10MRECh. 12 - Prob. 11MRECh. 12 - Prob. 12MRECh. 12 - Prob. 13MRECh. 12 - Prob. 14MRECh. 12 - Prob. 15MRECh. 12 - Prob. 16MRECh. 12 - Prob. 17MRECh. 12 - Prob. 18MRECh. 12 - Prob. 19MRECh. 12 - Prob. 20MRECh. 12 - Prob. 1TCh. 12 - Prob. 2TCh. 12 - Prob. 3TCh. 12 - Prob. 4TCh. 12 - Prob. 5TCh. 12 - Prob. 6TCh. 12 - Prob. 7TCh. 12 - Prob. 8TCh. 12 - Prob. 9TCh. 12 - Prob. 10TCh. 12 - Prob. 11TCh. 12 - Prob. 12TCh. 12 - Prob. 13TCh. 12 - Prob. 14TCh. 12 - Prob. 15TCh. 12 - Solve each equation. logx16=4Ch. 12 - Prob. 17TCh. 12 - Prob. 18TCh. 12 - Prob. 19TCh. 12 - Prob. 20TCh. 12 - Prob. 21TCh. 12 - Prob. 22TCh. 12 - Prob. 23TCh. 12 - Prob. 24TCh. 12 - Prob. 25TCh. 12 - Prob. 26TCh. 12 - Prob. 27TCh. 12 - Prob. 28TCh. 12 - Prob. 1CRECh. 12 - Prob. 2CRECh. 12 - Prob. 3CRECh. 12 - Prob. 4CRECh. 12 - Prob. 5CRECh. 12 - Prob. 6CRECh. 12 - Prob. 7CRECh. 12 - Prob. 8CRECh. 12 - Prob. 9CRECh. 12 - Prob. 10CRECh. 12 - Prob. 11CRECh. 12 - Prob. 12CRECh. 12 - Prob. 13CRECh. 12 - Prob. 14CRECh. 12 - Prob. 15CRECh. 12 - Prob. 16CRECh. 12 - Prob. 17CRECh. 12 - Prob. 18CRECh. 12 - Prob. 19CRECh. 12 - Prob. 20CRECh. 12 - Prob. 21CRECh. 12 - Prob. 22CRECh. 12 - Prob. 23CRECh. 12 - Prob. 24CRECh. 12 - Prob. 25CRECh. 12 - Prob. 26CRECh. 12 - Prob. 27CRECh. 12 - Prob. 28CRECh. 12 - Prob. 29CRECh. 12 - Prob. 30CRECh. 12 - Prob. 31CRECh. 12 - Prob. 32CRECh. 12 - Prob. 33CRECh. 12 - Prob. 34CRECh. 12 - Prob. 35CRECh. 12 - Prob. 36CRECh. 12 - Prob. 37CRECh. 12 - Prob. 38CRECh. 12 - Prob. 39CRECh. 12 - Prob. 40CRECh. 12 - Prob. 41CRECh. 12 - Prob. 42CRE
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