4×-8×0.1×-0.125×2.5×-10=?
问题描述:
4×-8×0.1×-0.125×2.5×-10=?
答
4×-8×0.1×-0.125×2.5×-10
=-32*0.1*(-1/8)*2.5*(-10)
=-0.4*(25)
=-10