问题 解答题
怎样简便就怎样计算.
1.25×8.80.71×6.29+0.71×3.6136.6÷2×0.5.
答案

(1)1.25×8.8,

=1.25×(8×1.1),

=1.25×8×1.1,

=10×1.1,

=11;

(2)0.71×6.29+0.71×3.61,

=0.71×(6.29+3.61),

=0.71×10,

=7.1;

(3)36.6÷2×0.5,

=18.3×0.5,

=9.15.

单项选择题
单项选择题