幂的运算数学题.2(x+2y)²·3(2y+x)³+5(-x-2y)5 (最后的5是指5次方)
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幂的运算数学题.2(x+2y)²·3(2y+x)³+5(-x-2y)5 (最后的5是指5次方)
幂的运算数学题.
2(x+2y)²·3(2y+x)³+5(-x-2y)5 (最后的5是指5次方)
幂的运算数学题.2(x+2y)²·3(2y+x)³+5(-x-2y)5 (最后的5是指5次方)
2(x+2y)²·3(2y+x)³+5(-x-2y)5
=6(x+2y)^5-5(x+2y)^5
=(x+2y)^5
(^5是指5次方)
2(x+2y)²·3(2y+x)³+5(-x-2y)5
=6(x+2y)的五次方-5(x+2y)的五次方
=(x+2y)的五次方