chuyen cac so thap phan sau thanh phan so thap phan roi chuyen sang hon so
43,2
52,04
4,01
b)chuyen cac phan so thap phan sang hon so roi sang so thap phan
45/10
2167/1000
2167/100
chuyen phan so 8/3 thanh so thap phan.
GIUP MINH NHA !
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 .
cho cac phan so 7/30 , 9/100 , 15/75 ,41 / 900 , 10/ 41 . Trong cac phan so da cho phan so nao co the chuuyen thanh phan so thap phan ? hay chuyen cac phan so so do thanh phan so thap phan
bai giai
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.
Chuyen so thap phan thanh phan so thap phan :
21,005=.........
chuyen phan so sau sang phan so thap phan [phan so thap phan co mau so la 10,100,1000] sau do viet duoi dang thap phan
11/20/?/?=?
giup minh voi
A 1515
_______
4545
B
123125125
_________
500500500
rut gon roi viet thanh so thap phan
trinh bay cach lam
