问题 解答题
简便计算:
8×72×125102×3649×99+49900÷25.
答案

(1)8×72×125,

=(8×125)×72,

=1000×72,

=72000;

(2)102×36,

=(100+2)×36,

=100×36+2×36,

=3600+72,

=3672;

(3)49×99+49,

=49×(99+1),

=49×100,

=4900;

(4)900÷25,

=900÷5÷5,

=180÷5,

=36.

单项选择题
单项选择题