问题 解答题
怎样算简便就怎样算.
4.32+5.43+6.6817.17-6.8-3.25.29×9+5.29
16.8×10.12.74×9.5+5×0.2740.36+9.6÷3.2.
答案

(1)4.32+5.43+6.68,

=4.32+6.68+5.43,

=11+5.43,

=16.43;

(2)17.17-6.8-3.2,

=17.17-(6.8+3.2),

=17.17-10,

=7.17;

(3)5.29×9+5.29,

=5.29×(9+1),

=5.29×10,

=52.9;

(4)16.8×10.1,

=16.8×10+16.8×0.1,

=168+1.68,

=169.68;

(5)2.74×9.5+5×0.274,

=2.74×9.5+0.5×2.74,

=2.74×(9.5+0.5),

=2.74×10,

=27.4;

(6)0.36+9.6÷3.2,

=0.36+3,

=3.36.

单项选择题 共用题干题
单项选择题