摘要: 计算.化简.解方程: (1) (2) ; (3) (4)
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计算、化简、解方程
(1)(-
-
+
)÷(-
)
(2)-11+[1-(1-0.5×
)]×[2-(-3)2|
(3)5ab2-[a2b+2(a2b-3ab2)]
(4)6x-7=4x-5
(5)2y-
=
y-3.
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(1)(-
| 2 |
| 9 |
| 1 |
| 4 |
| 1 |
| 18 |
| 1 |
| 36 |
(2)-11+[1-(1-0.5×
| 1 |
| 3 |
(3)5ab2-[a2b+2(a2b-3ab2)]
(4)6x-7=4x-5
(5)2y-
| 1 |
| 2 |
| 1 |
| 2 |
计算、化简、解方程
(1)(-
)÷(-
)
(2)-11+[1-(1-0.5×
)]×[2-(-3)2|
(3)5ab2-[a2b+2(a2b-3ab2)]
(4)6x-7=4x-5
(5)2y-
=
y-3.
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计算、化简求值题:
(1)解方程:2[
x-(
x-
)]=
x;
(2)先化简再求值:已知(a-3b)2+|b+2c|+
=0,求代数式2(a2-abc)-3(
a2-abc)的值.
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(1)解方程:2[
| 4 |
| 3 |
| 2 |
| 3 |
| 1 |
| 2 |
| 3 |
| 4 |
(2)先化简再求值:已知(a-3b)2+|b+2c|+
| a-6 |
| 2 |
| 3 |