(-3X^4Y^3)^3除以(-3\2X^NY^2)=-MX^8Y^7
81x^(4*3-n)y^(3*3-2)=-MX^8Y^7
81x^(12-n)y^7=-MX^8Y^7
81=-m,12-n=8
m=-81,n=4
已知(-3X^4Y^3)^3除以(-3\2X^NY^2)=-MX^8Y^7,求N,M的值
已知(-3X^4Y^3)^3除以(-3\2X^NY^2)=-MX^8Y^7,求N,M的值
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數(shù)學(xué)人氣:536 ℃時間:2020-08-15 07:58:44
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