问题 解答题
下面各题怎样简便就怎样算.
1300÷25÷4833-243-45746×16+16×54
25×125×321800-800÷25×16199×47+47.
答案

(1)1300÷25÷4,

=1300÷(25×4),

=1300÷100,

=13;

(2)833-243-457,

=833-(243+457),

=833-700,

=133;

(3)46×16+16×54,

=(46+54)×16,

=100×16,

=1600;

(4)25×125×32,

=25×125×(8×4),

=(25×4)×(125×8),

=100×1000,

=100000;

(5)1800-800÷25×16,

=1800-32×16,

=1800-512,

=1288;

(6)199×47+47,

=(199+1)×47,

=200×47,

=9400.

单项选择题
单项选择题