Question

Решите пж срочнооооо


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Answer 1

Ответ:

Пошаговое объяснение:

(1 1/12+1 1/4)* 1 19/56 +2 5/8 * 1 3/7* 1 1/9= 7 7/24

1) 1 1/12+ 1 1/4= 13/12 +5/4= 13/12+ 15/12 = 28/12

2) 28/12 * 1 19/56=  28/12 * 75/56= 28*75/12*56 = 1*75/12*2= 75/24

3) 2 5/8 * 1 3/7 = 21/8 * 10/7= 3*5/4*1 =15/4

4) 15/4* 1 1/9= 15/4* 10/9= 5*5/2*3=25/6

5) 75/24 +25/6 =75/24 + 25*4/ 24 = 75+100 /24 =

= 175/24 = 7 7/24