问题
解答题
计算: (1)|-5|+|+3|; (2)|-
(3)|-5.3|+|-3
|
答案
(1)原式=5+3
=8;
(2)原式=
-4 7 1 8
=
-32 56 7 56
=
;25 56
(3)原式=5.3+3.5
=8.8.
计算: (1)|-5|+|+3|; (2)|-
(3)|-5.3|+|-3
|
(1)原式=5+3
=8;
(2)原式=
-4 7 1 8
=
-32 56 7 56
=
;25 56
(3)原式=5.3+3.5
=8.8.