Выражение и подчеркните коэффициенты: 1) 0,125a * (-4b) * (-2c); 2) -3/4x * (-2/3y) * (1/2z); 3) -0,15k * (-4m) * (-5n); 4) -6/7a * (5/6b) * (-4/5c) * (-3/4d).

1) 0,125*a = a*1/8
(-4)b*(-2)c=8bc
a*(1/8)*8bc=abc
2)(-2/3)y*(-3/4)x=(1/2)*xy
xy*(1/2)*(1/2)z=(1/4)*xyz
3)-0,15k=(-3/20)*k
(-4)m*(-5)n=20mn
20mn*(-3/20)k=-3kmn
4) -6/7a*(5/6b)=-5/7ab
-5/7ab*(-4/5c)=4/7abc
4/7abc*(-3/4d)=-3/7abcd