题目内容
耐心算一算
(1)-4+(-3)×2
(2)(
-
-
)×24
(3)-32×2-24÷(-
)
(4)(
)2011×(-2)2012+
.
(1)-4+(-3)×2
(2)(
| 5 |
| 12 |
| 7 |
| 8 |
| 1 |
| 24 |
(3)-32×2-24÷(-
| 8 |
| 3 |
(4)(
| 1 |
| 2 |
| 4 |
(1)原式=-4-6
=-10;
(2)原式=
×24-
×24-
×24
=10-21-1
=-12;
(3)原式=-9×2+9
=-18+9
=-9;
(4)原式=[
×(-2)]2011×(-1)+2
=(-1)×(-1)+2
=1+2
=3.
=-10;
(2)原式=
| 5 |
| 12 |
| 7 |
| 8 |
| 1 |
| 24 |
=10-21-1
=-12;
(3)原式=-9×2+9
=-18+9
=-9;
(4)原式=[
| 1 |
| 2 |
=(-1)×(-1)+2
=1+2
=3.
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