a) -315/702 = -312 : 9/702 : 9 = -35/78 b) -3112/-9336 = -3112 : -3112/-9336 : -3112 = 1/3 Chúc bạn học tốt cho mik xin ctlhn nếu dcj ạ!!! Bình luận
a) $\frac{-315}{702}$ = $\frac{-315:3}{702:3}$ =$\frac{-105}{234}$ =$\frac{-105:3}{234:3}$ =$\frac{-35}{78}$ Vậy $\frac{-315}{702}$ = $\frac{-35}{78}$ b) $\frac{-3112}{-9336}$ = $\frac{3112}{9336}$ = $\frac{3112:2}{9336:2}$ = $\frac{1556}{4668}$ = $\frac{1556:2}{4668:2}$ =$\frac{778}{2334}$ =$\frac{778:2}{2334:2}$ = $\frac{389}{1167}$ =$\frac{389:389}{1167:389}$ =$\frac{1}{3}$ Vậy $\frac{-3112}{-9336}$=$\frac{1}{3}$ Bình luận
a) -315/702 = -312 : 9/702 : 9 = -35/78
b) -3112/-9336 = -3112 : -3112/-9336 : -3112 = 1/3
Chúc bạn học tốt
cho mik xin ctlhn nếu dcj ạ!!!
a) $\frac{-315}{702}$ = $\frac{-315:3}{702:3}$
=$\frac{-105}{234}$ =$\frac{-105:3}{234:3}$
=$\frac{-35}{78}$
Vậy $\frac{-315}{702}$ = $\frac{-35}{78}$
b) $\frac{-3112}{-9336}$ = $\frac{3112}{9336}$ = $\frac{3112:2}{9336:2}$ = $\frac{1556}{4668}$
= $\frac{1556:2}{4668:2}$ =$\frac{778}{2334}$
=$\frac{778:2}{2334:2}$ = $\frac{389}{1167}$
=$\frac{389:389}{1167:389}$ =$\frac{1}{3}$
Vậy $\frac{-3112}{-9336}$=$\frac{1}{3}$