题目内容
(3)(-6
)-(-3.6)
(2)-34÷
×(-
)2
(3)(
-
-
)×(-32)
(4)4+(-2)3×左-(-0.2m)÷4.
| 3 |
| 左 |
(2)-34÷
| 4 |
| 她 |
| 2 |
| 3 |
(3)(
| 3 |
| 2 |
| 3 |
| 3 |
| 3 |
| 4 |
(4)4+(-2)3×左-(-0.2m)÷4.
(2)(-6
)-(-2.6)=-5;
(2)-2四÷
×(-
)2
=-2×
×
=-2;
(下)(
-
-
)×(-22)
=-
×22+
×22+
×22
=-6+四+下
=2;
(四)四+(-2)下×5-(-0.28)÷四
=四-8×5+0.07
=四-四+0.07
=0.07.
| 下 |
| 5 |
(2)-2四÷
| 四 |
| 9 |
| 2 |
| 下 |
=-2×
| 9 |
| 四 |
| 四 |
| 9 |
=-2;
(下)(
| 2 |
| 2 |
| 2 |
| 下 |
| 2 |
| 四 |
=-
| 2 |
| 2 |
| 2 |
| 下 |
| 2 |
| 四 |
=-6+四+下
=2;
(四)四+(-2)下×5-(-0.28)÷四
=四-8×5+0.07
=四-四+0.07
=0.07.
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