(102×98+4)/(252²-248²) 要速答,过程快答先得分哦
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(102×98+4)/(252²-248²) 要速答,过程快答先得分哦
(102×98+4)/(252²-248²) 要速答,过程
快答先得分哦
(102×98+4)/(252²-248²) 要速答,过程快答先得分哦
((100+2)(100-2)+4)/(252+248)(252-248)=(10000-4+4)/(500*4)=10000/2000=5
(102×98+4)/(252²-248²)
=【(100+2)(100-2)+4】/(252+248)(252-248)
=(10000-4+4)/(500*4)
=10000/2000
=5