问题 解答题
下列各题,能简算的要简算.
25×24287+199260-60÷476+(38+24)800÷25.
答案

(1)25×24,

=25×4×6,

=100×6,

=600;

(2)287+199,

=287+200-1,

=487-1,

=486;

(3)260-60÷4,

=260-15,

=245;

(4)76+(38+24),

=76+38+24,

=(76+24)+38,

=100+38,

=138;

(5)800÷25,

=800÷5÷5,

=160÷5,

=32;

单项选择题
单项选择题