问题
解答题
计算: (1)|-3|×|-6.2|; (2)|-5|+|2.49|; (3)|-
|
答案
(1)原式=3×6.2=18.6;
(2)原式=5+2.49=7.49;
(3)原式=
×2 3
=3 14
.1 7
计算: (1)|-3|×|-6.2|; (2)|-5|+|2.49|; (3)|-
|
(1)原式=3×6.2=18.6;
(2)原式=5+2.49=7.49;
(3)原式=
×2 3
=3 14
.1 7