问题 解答题
计算,能简算的要简算
125×56
(145+246)÷(41-18)108×75-75×8
894-168-232159-12×30÷6037×101.
答案

(1)125×56,

=125×(7×8),

=(125×8)×7,

=1000×7,

=7000;

(2)(145+246)÷(41-18),

=391÷23,

=17;

(3)108×75-75×8,

=(108-8)×75,

=100×75,

=7500;

(4)894-168-232,

=894-(168+232),

=894-400,

=494;

(5)159-12×30÷60,

=159-360÷60,

=159-6,

=153;

(6)37×101,

=37×(100+1),

=37×100+37×1,

=3700+37,

=3737.

单项选择题
单项选择题