题目内容
2
×[3.8÷(3-2
×
)]的值是多少.( )
| 2 |
| 5 |
| 2 |
| 5 |
| 14 |
| 15 |
| A.12 | B.7 | C.10 | D.5 |
2
×[3.8÷(3-2
×
)]
=2
×[3.8÷(3-
)],
=2
×[3.8÷
],
=2
×5,
=12.
故答案为:A.
| 2 |
| 5 |
| 2 |
| 5 |
| 14 |
| 15 |
=2
| 2 |
| 5 |
| 56 |
| 25 |
=2
| 2 |
| 5 |
| 19 |
| 25 |
=2
| 2 |
| 5 |
=12.
故答案为:A.
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