题目内容
20+(9+5)=
[ ]
|
A.34 |
B.38 |
C.44 |
D.53 |
答案:A
解析:
解析:
|
一道式题有小括号,要先算小括号里面的. 因为9+5=14, 20+14=34, 所以20+(9+5)=34,选A. |
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