题目内容
(72-48)÷2=
- A.12
- B.10
- C.21
- D.42
A
(72-48)÷2=24÷2=12选A.
(72-48)÷2=24÷2=12选A.
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(72-48)÷2=
[ ]
A.12 |
B.10 |
C.21 |
D.42 |
(72-48)÷2=
[
]
A .12 |
B .10 |
C .21 |
D .42 |