-5.35×(-3)+5.35×(-7)+5.35×4简便运算要过程

问题描述:

-5.35×(-3)+5.35×(-7)+5.35×4简便运算要过程

-5.35×(-3)+5.35×(-7)+5.35×4
=5.35×3-5.37×7+5.35×4
=5.35×(3-7+4)
=5.37×0
=0

-5.35*(-3)+5.35*(-7)+5.35*4=5.35*(-(-3)+(-7)+4)
=5.35*(3-7+4)
=5.35*0
=0