题目内容
计算
(1)-4÷
-(-
)×(-30)
(2)(-
-
+
)÷
(3)|-
|÷(
-
)-
×(-4)2
(4)-12-[1
+(-12)÷6]2×(-
)3.
(1)-4÷
| 2 |
| 3 |
| 2 |
| 3 |
(2)(-
| 3 |
| 4 |
| 5 |
| 9 |
| 7 |
| 12 |
| 1 |
| 36 |
(3)|-
| 7 |
| 9 |
| 2 |
| 3 |
| 1 |
| 5 |
| 1 |
| 3 |
(4)-12-[1
| 3 |
| 7 |
| 3 |
| 4 |
(1)原式=-4×
-
×30=-6-20=-26;
(2)原式=(-
-
+
)×36=-
×36-
×36+
×36=-27-20+21=-26;
(3)原式=
÷
-
×16=
×
-
=
-
=-
;
(4)原式=-1-(
-2)2×(-
)=-1-
×(-
)=-1+
=-
.
| 3 |
| 2 |
| 2 |
| 3 |
(2)原式=(-
| 3 |
| 4 |
| 5 |
| 9 |
| 7 |
| 12 |
| 3 |
| 4 |
| 5 |
| 9 |
| 7 |
| 12 |
(3)原式=
| 7 |
| 9 |
| 7 |
| 15 |
| 1 |
| 3 |
| 7 |
| 9 |
| 15 |
| 7 |
| 16 |
| 3 |
| 5 |
| 3 |
| 16 |
| 3 |
| 11 |
| 3 |
(4)原式=-1-(
| 10 |
| 7 |
| 27 |
| 64 |
| 16 |
| 49 |
| 27 |
| 64 |
| 27 |
| 196 |
| 169 |
| 196 |
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