问题 解答题
合理计算.
7.1×6.27+6.27×2.9
145.8-45.8÷0.419.6÷0.125÷8
答案

(1)7.1×6.27+6.27×2.9

=(7.1+2.9)×6.27

=10×6.27

=62.7;

(2)145.8-45.8÷0.4

=145.8-114.5

=31.3;

(3)19.6÷0.125÷8

=19.6÷(0.125×8)

=19.6÷1

=19.6.

单项选择题
单项选择题