ax^3y+axy^3-2ax²y² x²(x-y)+(y-x) 已知|3x+2y+3|+

隔壁床老响2022-10-04 11:39:541条回答

ax^3y+axy^3-2ax²y² x²(x-y)+(y-x) 已知|3x+2y+3|+(5y+2x-9)²=0,求3x-2y的值.
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I ——— ——— there is ______bread in the fridge
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木3 共回答了20个问题 | 采纳率100%
3x+2y=-3
2x+5y=9
11y=33
y=3
x=-3
确定是^吗?不是×(乘号)吗?
went
lives
will return
Shall we go swimming together tomorrow?(不是show me吧)
He often runs around the park after dinner.
don't think any
How much(不是fire ,是five )
1年前

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