问题 解答题
用自己喜欢的方法计算
25×1.25×32915×99+9155.18-(1.18-0.25)
答案

(1)25×1.25×32,

=(25×4)×(1.25×8),

=100×10,

=1000;

(2)915×99+915,

=915×(99+1),

=915×100,

=91500;

(3)5.18-(1.18-0.25),

=5.18-1.18+0.25,

=4+0.25,

=4.25.

单项选择题
单项选择题