题目内容
[3
-(0.2+
)×4.5]÷(7.05+6
)的值是多少.( )
| 3 |
| 4 |
| 1 |
| 3 |
| 9 |
| 20 |
| A.5 | B.
| C.
| D.
|
[3
-(0.2+
)×4.5]÷(7.05+6
),
=[3
-(
+
)×4.5]÷(7.05+6.45),
=[3.75-2.4]÷13.5,
=1.35÷13.5,
=0.1,
=
;
故选:D.
| 3 |
| 4 |
| 1 |
| 3 |
| 9 |
| 20 |
=[3
| 3 |
| 4 |
| 3 |
| 15 |
| 5 |
| 15 |
=[3.75-2.4]÷13.5,
=1.35÷13.5,
=0.1,
=
| 1 |
| 10 |
故选:D.
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