数学题(1+7/35)+(1+7/35*2+(1+7/35*3)=?
问题描述:
数学题(1+7/35)+(1+7/35*2+(1+7/35*3)=?
(1+7/35)+(1+7/35*2+(1+7/35*3)=?
答
原式=1+1+1+7/35*(1+2+3) =3+7/35*6 =21/5
数学题(1+7/35)+(1+7/35*2+(1+7/35*3)=?
(1+7/35)+(1+7/35*2+(1+7/35*3)=?
原式=1+1+1+7/35*(1+2+3) =3+7/35*6 =21/5