Question

Упростите выражение:
1)6a*(-2b)*(-c)
2)-5/6a*(-4/5b)*3/8
3)-0,5a*(-7b)*(-2c)
4)-4m*0,8c*(-5d)

Answer 1

1) 6a·(-2b)·(-c)=12abc
2) -5/6a·(-4/5b)·3/8= 60/240ab=1/4ab=0,25ab
3) -0,5a·(-7b)·(-2c)= -7abc
4) -4m·0,8c·(-5d)= 16mcd

Answer 2

1)12abc
2)(5•4•3)/(6•5•8)ab=1/4*ab
3)(-0,5)•(-7)•(-2)abc=-7abc
4)(-4)•0,8(-5)mcd=16mcd