(86+1/16*)*16/17-(37+1/17)*17/18+(58+1/18)*18/19
(86+1/16*)*16/17-(37+1/17)*17/18+(58+1/18)*18/19
(1+1/16+1/17+1/18)x(1/16+1/17+1/18+1/19)-(1+1/16+1/17+1/18+1
(25/18+16/19)*1/8+17/19
(1加1/16加1/17加1/18)×(1/16加1/17加1/18加1/19)-(1加1/16加1/17加1/18加1
学渣勿扰,= (25/18+16/19)*1/8+17/19
(1+1/16+1/17+1/18)×(1/16+1/17+1/18+1/19)-(1+1/16+1/17+1/18+1
(1+1/16+1/17+1/18)*(1/16+1/17+1/18+1/19)-(1+1/16+1/17+1/18+1
16,17,18,19,
16 17 18 19
16,17,18,19
简便计算奥数题(1-1/18-1/19)*(1/17+1/18)+(1/18+1/19)*(1/17+1/18-1)用代
(1+16分之1+17分之1+18分之1)*(16分之1+17分之1+18分之1+19分之1)-(1+16分之1+17