数学分式混合运算:(3x²/4y)² × 2y/3x+x²/2y²÷2y
2个回答
原式=9x^4/16y²×2y/3x+x²/2y²×x/2y²
=3x³/8y+x³/4y^4
=(3x³y³+2x³)/(8y^4)
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