2/5 умножить на (-2/5+2*5,2/3)-2*2/5*5,2/3= - вопрос №268157825252523225523 от aishaefendieva 20.07.2021 22:18

Question

Математика: 2/5 умножить на (-2/5+2*5,2/3)-2*2/5*5,2/3=

aishaefendieva · Answer

2/5 умножить на (-2/5+2*5,2/3) - 2*2/5*5,2/3 = - 12/75

2*5,2/3 = 10,4/3 = 10 4/10:3 = 44/10:3 = 22/5*1/3 = 22/15
-2/5 + 22/15 = -6/15 + 22/15 = 16/15
2/5*16/15 = 32/75

2*2/5*5,2/3 = 22/15*2/5 = 44/75

32/75 - 44/75 = - 12/75