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문제 49
Multiply or divide as indicated. Write answers in lowest terms as needed.
문제 51
Multiply or divide as indicated. Write answers in lowest terms as needed.
문제 54
Add or subtract as indicated. Write answers in lowest terms as needed.2/9 + 5/9
문제 55
Add or subtract as indicated. Write answers in lowest terms as needed. 7/12 + 1/12
문제 63
Add or subtract as indicated. Write answers in lowest terms as needed.
문제 65
Add or subtract as indicated. Write answers in lowest terms as needed. 7/9 - 2/9
문제 67
Add or subtract as indicated. Write answers in lowest terms as needed. 13/15 - 3/15
문제 69
Add or subtract as indicated. Write answers in lowest terms as needed. 7/12 - 1/3
문제 71
Add or subtract as indicated. Write answers in lowest terms as needed. 7/12-1/9
문제 73
Add or subtract as indicated. Write answers in lowest terms as needed.
문제 75
Add or subtract as indicated. Write answers in lowest terms as needed.
문제 76
Add or subtract as indicated. Write answers in lowest terms as needed.
문제 80
Write a decimal number that has 5 in the thousands place, 0 in the tenths place, and 4 in the ten-thousandths place.
문제 83
Write each decimal as a fraction. (Do not write in lowest terms.) 0.4
문제 84
Write each decimal as a fraction. (Do not write in lowest terms.) 0.6
문제 86
Write each decimal as a fraction. (Do not write in lowest terms.) 0.82
문제 88
Write each decimal as a fraction. (Do not write in lowest terms.) 0.104
문제 89
Write each decimal as a fraction. (Do not write in lowest terms.) 0.043
문제 90
Write each decimal as a fraction. (Do not write in lowest terms.) 0.087
문제 93
Add or subtract as indicated. 25.32 + 109.2 + 8.574
문제 95
Add or subtract as indicated. 28.73 - 3.12
문제 96
Add or subtract as indicated. 46.88 - 13.45
문제 98
Add or subtract as indicated. 345.1 - 56.31
문제 99
Add or subtract as indicated. 3.87 + 15 + 2.9
문제 101
Add or subtract as indicated. 32.56 + 47.356 + 1.8
문제 102
Add or subtract as indicated. 75.2 + 123.96 + 3.897
문제 103
Add or subtract as indicated. 18 - 2.789
문제 105
Multiply or divide as indicated. 12.8 × 9.1
문제 106
Multiply or divide as indicated. 34.04 × 0.56
문제 107
Multiply or divide as indicated. 22.41 × 33