试题与答案

能简算的要简算.37÷711+47÷711(13-14)×1252+52×35+

题型:解答题

题目:

能简算的要简算.
3
7
÷
7
11
+
4
7
÷
7
11

(
1
3
-
1
4
)×12

5
2
+
5
2
×
3
5
+
2
5

15
16
×15+
15
16

答案:

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