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若3x=2y,则2y^2/3y^2等于好吧错了是求2x^2/3y^2
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若3x=2y,则2y^2/3y^2等于
好吧错了是求2x^2/3y^2
好吧错了是求2x^2/3y^2
▼优质解答
答案和解析
X/Y=2/3
2X^2/3Y^2
=2/3(X/Y)^2
=2/3×2/3
=4/9.
2X^2/3Y^2
=2/3(X/Y)^2
=2/3×2/3
=4/9.
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