问题 解答题
计算题:
(1)
12
-
1
3
-
1
1
3

(2)
8
-
2
3
4
×
2
11
答案

(1)

12
-
1
3
-
1
1
3

=2

3
-
1
3
3
-
2
3
3

=(2-

1
3
-
2
3
)
3

=

3

(2)

8
-
2
3
4
×
2
11

=2

2
-
11
4
×
2
11

=2

2
-
1
2
2

=

3
2
2

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