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danil66784
@danil66784
August 2022
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4 1/7*14-2 1/4*3 1/6-1 1/9*3 3/8=
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prettypushkova
Verified answer
4 1/7 * 14 - 2 1/4 * 3 1/6 - 1 1/9 * 3 3/8 = 47 целых 1/8
1) 4 1/7 * 14 = 29/7 * 14 = 29 * 2 = 58
2) 2 1/4 * 3 1/6 = 9/4 * 19/6 = (3*19)/(4*2) = 57/8 = 7 1/8
3) 1 1/9 * 3 3/8 = 10/9 * 27/8 = (5*3)/(1*4) = 15/4 = 3 3/4
4) 58 - 7 1/8 = 57 8/8 - 7 1/8 = 50 7/8
5) 50 7/8 - 3 3/4 = 50 7/8 - 3 6/8 = 47 1/8
16 votes
Thanks 23
АлВикторовна
но по условию и в последнем действии вычитание. а не сложение!
prettypushkova
Упс) Спасибо!
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Answers & Comments
Verified answer
4 1/7 * 14 - 2 1/4 * 3 1/6 - 1 1/9 * 3 3/8 = 47 целых 1/81) 4 1/7 * 14 = 29/7 * 14 = 29 * 2 = 58
2) 2 1/4 * 3 1/6 = 9/4 * 19/6 = (3*19)/(4*2) = 57/8 = 7 1/8
3) 1 1/9 * 3 3/8 = 10/9 * 27/8 = (5*3)/(1*4) = 15/4 = 3 3/4
4) 58 - 7 1/8 = 57 8/8 - 7 1/8 = 50 7/8
5) 50 7/8 - 3 3/4 = 50 7/8 - 3 6/8 = 47 1/8