98/98又99分之98+100分之1=()脱试

问题描述:

98/98又99分之98+100分之1=()
脱试

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