用简便计算:(-5.35)*(-3)+5.35*(-7)+5.35*4
问题描述:
用简便计算:(-5.35)*(-3)+5.35*(-7)+5.35*4
答
(-5.35)*(-3)+5.35*(-7)+5.35*4=5.35*(3)+5.35*(-7)+5.35*4
=5.35*(3-7+4)
=0