\(\frac{42}{72}\) = \(\frac{7}{12}\).
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\(\frac{42}{72}\) = \(\frac{7}{12}\).
Đúng 100% luôn!
Ai tk cho mình mình tk lại.
rut gon cac phan so
25 phan 40
42 phan 72
80 phan 100
rut gon phan so 42/182 den phan so toi gian ta duoc phan so a/b khi do a+b=
rut gon roi so sanh hai phan so
18/72 va15/20
24/36 va 20/50
5/6 va 45/54
rut gon phan so sau:
A.1/7 va 4/35
B.5/72 va34/6
C.15/58;24/40 va 6/51
Cho cac phan so 5 / 7, 6 / 9 , 12 / 24 , 23 / 24 va 6 / 14
a Tim phan so toi gian
b Phan so nao rut gon duoc . Hay rut gon
ai nhanh nhat minh TICK cho
1.Rut gon cac phan so sau: 15/24 ; 21/42 ; 54/18 ; 100/25 . (day la toan lop 4 cac ban a, lam nhanh cho minh cac ban nhe)
Hay rut gon cac phan so sau :
9 phan 6 ; 12 phan 4 va 90 phan 70
Cac ban hay rut gon va doc giong nhu minh nhe.
rut gon phan so 195/221 thanh phan so toi gian
rut gon phan so 272727/727272 de duoc phan so toi gian