помогите решить пример (2/15 + 1 7/12)*30/103-2:2 1/4*9/32. Created by alinochka112004. matematika-ru

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alinochka112004 @alinochka112004

July 2022 1 7 Report

помогите решить пример (2/15 + 1 7/12)*30/103-2:2 1/4*9/32

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potapov19461

Verified answer

1) 2/15 +1, 7/12 = 8/60 + 1, 35/60 = 1,43/60 = 103/60;
2) 103/60 * 30/103 = 1/2;
3) 2 : 2,1/4 = 2 * 4/9 =8/9;
4) 8/9 * 9/32 = 1/4;
5)1/2 - 1/4 = 2/4 - 1/4 = 1/4.

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alinochka112004 плиз и еще вот этот реши 2 ,3/4 :( 1 ,1/2-2/5)+(3/4+5/6):3,1/6

potapov19461 Вставлять решение длинных примеров в комментариях неудобно.

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