(-3)*(-4)*(-5)+(-5)*(-7) (-0.1)**(-1)(-100)-0.01*(+1000)

问题描述:

(-3)*(-4)*(-5)+(-5)*(-7) (-0.1)**(-1)(-100)-0.01*(+1000)

(-3)*(-4)*(-5)+(-5)*(-7)
=-5*(12-7)
=-5*5
=-25
(-0.1)*(-1)*(-100)-0.01*(+1000)
=-10-10
=-20