简算(-7.33)×(+42.07)+(-2.07)(-7.33)
问题描述:
简算(-7.33)×(+42.07)+(-2.07)(-7.33)
答
(-7.33)×(+42.07)+(-2.07)(-7.33)
=(-7.33)×(42.07-2.07)
=(-7.33)×40
=-293.2
答
(-7.33)×(+42.07)+(-2.07)(-7.33)=
(-7.33)×(42.07-2.07)=(-7.33)×(40)=-293.2
答
原式=(-7.33)×(42.7-2.07)
=(-7.33)×40
=-293.2