3.2288(-9)+(-3.279)*9-(-1.5)*9

问题描述:

3.2288(-9)+(-3.279)*9-(-1.5)*9
(-5.5)+(-4.8)-(-2.4)-(-8.1)

3.2288*(-9)+(-3.279)*9-(-1.5)*9=-3.2288*9-3.279*9+1.5*9
=(-3.2288-3.279+1.5)*9
=-5.0078*9
=-45.0702
(-5.5)+(-4.8)-(-2.4)-(-8.1)
=-5.5-4.8+2.4+8.1
=0.2