问题 解答题
用自己喜欢的方法计算.
(265-190)×(138÷6)
38×72-28×72
600-400÷25×46500-105×6+50.
答案

(1)(265-190)×(138÷6)

=75×23

=1725;

(2)38×72-28×72

=(38-28)×72

=10×72

=720;

(3)600-400÷25×4

=600-16×4

=600-64

=536;

(4)6500-105×6+50

=6500-630+50

=5870+50

=5920.

选择题
判断题