问题 解答题
简便计算.(要写出简算过程)
(1)4.05-2.86-0.14(2)75×60%+24×
3
5
+06.
答案

(1)4.05-2.86-0.14,

=4.05-(2.86+0.14),

=4.05-3,

=1.05;

(2)75×60%+24×

3
5
+0 6,

=75×0.6+24×0.6+0.6,

=(75+24+1)×0.6,

=100×0.6,

=60.

单项选择题
单项选择题