9.4*【3.28-(1.55+1.23)】怎么计算
问题描述:
9.4*【3.28-(1.55+1.23)】怎么计算
答
9.4*【3.28-(1.55+1.23)】
=9.4*(3.28-2.78)
=9.4*0.5
=4.7