Ответ:
Пошаговое объяснение:
-4/5 * 3 7/9 : (-2 3/7) * 5 7/8 : ( -6 5/7) = - 1 8/90
1) -4/5 * 3 7/9=-4/5 * 34/9= - 136/45
2) -136/45 : (-2 3/7)= -136/45 : (-17/7)= -136/45 * (-7/17)= 56/45
3) 56/45 * 5 7/8= 56/45 * 47/8 = 2632/360
4) 2632/360 :(-6 5/7)= 2632/360 : ( 47/7) = 2632/360 * ( - 7/47)= - 392/360=
= -1 8/90
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Answers & Comments
Ответ:
Пошаговое объяснение:
-4/5 * 3 7/9 : (-2 3/7) * 5 7/8 : ( -6 5/7) = - 1 8/90
1) -4/5 * 3 7/9=-4/5 * 34/9= - 136/45
2) -136/45 : (-2 3/7)= -136/45 : (-17/7)= -136/45 * (-7/17)= 56/45
3) 56/45 * 5 7/8= 56/45 * 47/8 = 2632/360
4) 2632/360 :(-6 5/7)= 2632/360 : ( 47/7) = 2632/360 * ( - 7/47)= - 392/360=
= -1 8/90