7m﹙4m²p﹚÷7m²
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7m﹙4m²p﹚÷7m²7m﹙4m²p﹚÷7m²7m﹙4m²p﹚÷7m²原式=7*4*m^3p÷7m^2=28m^3p÷7m^2=(28÷7
7m﹙4m²p﹚÷7m²
7m﹙4m²p﹚÷7m²
7m﹙4m²p﹚÷7m²
原式=7*4*m^3p÷7m^2
=28m^3p÷7m^2
=(28÷7)*（m^3÷m^2）*p
=4mp
=28m^3p÷7m^2
=4mp
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原式=28m³p÷7m²=28÷7xm^(3-2)p=4mp
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