Question

(-0,1)*10*(-0,2)*5*(-0,25)*4.

Answer 1

(-0.1)*10*(-0.2)*5*(-0.25)*4
1) (-0.1)*10 = -1
2) -1*(-0.2) = 0.2
3) 0.2*5 = 1
4) 1*(-0.25) = -0.25
5) -0.25*4 = -1
Ответ:  -1