2.5×0.14+0.025×960+0.5×1.3的简便计算

问题描述:

2.5×0.14+0.025×960+0.5×1.3的简便计算
急,

=2.5x0.14+2.5x9.6+2.5x1.3÷5
=2.5x(0.14+9.6+0.26)
=2.5x(0.4+9.6)
=2.5x10
=25
希望能帮你忙,懂了请采纳,