题目内容
计算:
(1)[47-(18.75-1÷
)×2
]÷0.46
(2)
(1)[47-(18.75-1÷
| 8 |
| 15 |
| 6 |
| 25 |
(2)
(-2)3×(-1)1998-|-12|÷[-(-
| ||||
(-1)÷(-
|
(1)原式=[47-(18
-
)×
]÷0.46=[47-
×
]×
=
×
=20;
(2)原式=
=
=
.
| 3 |
| 4 |
| 15 |
| 8 |
| 56 |
| 25 |
| 135 |
| 8 |
| 56 |
| 25 |
| 50 |
| 23 |
| 46 |
| 5 |
| 100 |
| 46 |
(2)原式=
| -8+48 | ||||
|
| 40 | ||
|
| 128 |
| 5 |
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