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98/98又99分之98+100分之1=()
脱试
人气:252 ℃ 时间:2020-04-04 07:13:25
解答
98/(98又98/99)+1/100
=98/(98*99+98/99)+1/100
=98/[98*100/99]+1/100
=98*(99/98*100)+1/100
=99/100+1/100
=1
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