问题 解答题
计算:
(1)-41-29-(-20)×2+33
(2)(
3
4
+
5
6
-
1
12
1
24
答案

(1)-41-29-(-20)×2+33

=-41-29+40+33

=-70+73

=3;

(2)(

3
4
+
5
6
-
1
12
1
24

=(

3
4
+
5
6
-
1
12
)×24

=

3
4
×24+
5
6
×24-
1
12
×24

=18+20-2

=36.

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