Trả lời :
\(\frac{10}{5}=\frac{10:5}{5:5}=\frac{2}{1}=2\)
~Hok tốt~
#Minh#
Trả lời :
\(\frac{10}{5}=\frac{10:5}{5:5}=\frac{2}{1}=2\)
~Hok tốt~
#Minh#
cho phân số c/d. neu rut gon phan so c/d thi duoc phan so 2/5. neu giam tu so di 12 đv roi rut gon thi duoc phan so 4/25. tim phan so c/d.
rut gon phan so 25/10
cho phan so a/b . Neu rut gon phan so a/b thi ta duoc phan so 3/4 . Neu cong them 15 don vi vao tu so roi rut gon thi duoc phan so 7/6. Tim phan so a/b
Theo phan so c/d . Neu rut gon c/d phan so thi duoc phan so 6/7 . Neu gam tu so di 12 don vi roi rut gon thi duoc phan so 36/49 . Tim phan so c/d da cho .
tim phan so o tong cua tu so va mau sobang 49 va sau khi rut gon ta duoc phan so 2/5
cho phan so co tong cua tu so va mau so la 136.tinh phan so do ,biet rang phan so do co the rut gon thanh 3/5
Hay giup to chuyen phan so thap phan 14,92 thanh phan so roi rut gon
A 1515
_______
4545
B
123125125
_________
500500500
rut gon roi viet thanh so thap phan
trinh bay cach lam
rut gon phan so 45,123