问题 解答题
计算下面各题,能简算的要简算
48÷(4+8)25×(4×40)47×16+63×16
201×42-42400÷25×4125×32.
答案

(1)48÷(4+8),

=48÷12,

=4;

(2)25×(4×40),

=25×4×40,

=100×40,

=4000;

(3)47×16+63×16,

=(47+63)×16,

=110×16,

=1760;

(4)201×42-42,

=(201-1)×42,

=200×42,

=8400;

(5)400÷25×4,

=16×4,

=64;

(6)125×32,

=125×8×4,

=1000×4,

=4000.

单项选择题
单项选择题