下列计算中.正确的是A.x12÷x2÷x2=x3B.(xy)5÷(xy3)=(xy)2C.x10÷(x4÷x2)=x8D.(x4n÷x2n)=x3n+2
下列计算中,正确的是
A.x12÷x2÷x2=x3B.(xy)5÷(xy3)=(xy)2C.x10÷(x4÷x2)=x8D.(x4n÷x2n)=x3n+2在线课程C

A.x12÷x2÷x2=x3B.(xy)5÷(xy3)=(xy)2C.x10÷(x4÷x2)=x8D.(x4n÷x2n)=x3n+2在线课程C

