题目内容
计算:
(1)
×
(2)
(3)
•
(4)
(5)
÷(3
×2
)
(6)-
(1)
| 48 |
| 300 |
(2)
|
(3)
| 1 |
| 3 |
| 90 |
| 1 |
| 2 |
| 40 |
(4)
| ||||
|
(5)
| 18 |
| 2 |
| 2 |
(6)-
| ||||
|
(1)原式=4
×10
=120;
(2)原式=
×
=
×
=
;
(3)原式=
×
=10;
(4)原式=
=1;
(5)原式=
=
=
;
(6)原式=-
=-9.
| 3 |
| 3 |
(2)原式=
|
|
| 8 |
| 3 |
| 12 |
| 13 |
| 32 |
| 13 |
(3)原式=
| 10 |
| 10 |
(4)原式=
| ||
|
(5)原式=
| ||
| 12 |
3
| ||
| 12 |
| ||
| 4 |
(6)原式=-
| ||||
|
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