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Keroll
@Keroll
October 2021
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вычислите -15 + 14 1/5 : 4
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prettypushkova
Verified answer
- 15 + 14 1/5 : 4 = - 11,45
1) 14 1/5 : 4 = 71/5 : 4/1 = 71/5 * 1/4 = 71/20 = 3 11/20 = 3,55;
2) - 15 + 3,55 = - 11,45
2) - 15 + 3 11/20 = - 14 20/20 + 3 11/20 = - 11 9/20 - в обыкновенных дробях
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Answers & Comments
Verified answer
- 15 + 14 1/5 : 4 = - 11,451) 14 1/5 : 4 = 71/5 : 4/1 = 71/5 * 1/4 = 71/20 = 3 11/20 = 3,55;
2) - 15 + 3,55 = - 11,45
2) - 15 + 3 11/20 = - 14 20/20 + 3 11/20 = - 11 9/20 - в обыкновенных дробях