计算:(2x³y)²·(-2xy)+(-2x³y)³÷(2x)²
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计算:(2x³y)²·(-2xy)+(-2x³y)³÷(2x)²
不小心打错了框框是乘号
不小心打错了框框是乘号
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(2x³y)²·(-2xy)+(-2x³y)³÷(2x)²
=(2x³y)²·(-2xy)+(-2x³y)²·(-xy)/2
=(2x³y)²·(-2.5xy)
=-10x^7y³
=(2x³y)²·(-2xy)+(-2x³y)²·(-xy)/2
=(2x³y)²·(-2.5xy)
=-10x^7y³
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