> 数学 >
24÷
29
30
×(
7
8
+1
3
4
-
11
12
-
1
2
人气:294 ℃ 时间:2020-04-02 12:00:31
解答
24÷
29
30
×(
7
8
+1
3
4
-
11
12
-
1
2

=24÷
29
30
×(2
5
8
-
11
12
-
1
2

=24÷
29
30
×(1
17
24
-
1
2

=24÷
29
30
×1
5
24

=24×
30
29
×
29
24

=24×
29
24
×
30
29

=29×
30
29

=30.
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