СРОЧНО НОМЕР 228...........

Question

СРОЧНО НОМЕР 228...........

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Answer 1

а) -5*(-1,2)*(-7) = 35*(-1,2) = -42

б) -12,5*2,4*(-3)*(-5) = -12,5*2,4*15 = -12,5*36= -450

в) -5/7*3/8*7/5*(-2/3) = (5*3*7*2)/(7*8*5*3) = 2/8 = 1/4

г) (-7/10)*(-2/9)*45/10*10 = (7*2*45*10)/(10*9*10*10) = 7/10