a=9,b=80
a+b=89.
已知2+2/3=2的二次方*2/3,3+3/8=3的二次方*3/84+4/15=4的二次方*4/15,若9+a/b=9的二次方*a/b,则a+b=
已知2+2/3=2的二次方*2/3,3+3/8=3的二次方*3/84+4/15=4的二次方*4/15,若9+a/b=9的二次方*a/b,则a+b=
数学人气:240 ℃时间:2020-04-05 05:44:38
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