1
rút gọn phân số
90/126 và 6/7
90/126 và 35/49
2
Cho cac phan so : 8/9 , 19/20 , 10/11 , 21/22 , tim phan so lon nhat
trong cac phan so 3/4, 11/12,2/3,5/6
phan so lon nhat
phan so be nhat
dua cac phan so ve cung mau so roi sap xep theo thu tu tu be den lon 2 phan 7 6 phan 14 30 phan 35 3 phan 21 2 phan 5 9 phan 45 8 phan 10 12 phan 20
Trong cac phan so 16/10,8/7,56/42,24/9. Phan so lon nhat la phan so nao
trong cac phan so 7/8,4/44,10/11,22/23 phan so nao lon nhat tong cac phan so
12/13,34/31,11/14,33/32,15/15[tim phan so lon nhat va phan so be nhat] cac ban cho minhcach lam voi nhe
cho cac so 71,8,11,0
a viet tat ca cac phan so co tu so va mau so la cac so da cho
b tim trong do cac phan so nho hon 1 cac phan so lon hon 1 cac phan so bang 1
TIM GIA TRI LON NHAT CUA PHAN SO A/B BIET:ACO THE NHAN TRONG CAC GIA TRI 11 ; 13; 17; 20 VA B CO THE NHAN MOT TRONG CAC GIA TRI 4; 7 ;25;36
phan so lon nhat trong cac phan so sau la:
a 14\9
b 7\11
c18\13
d11\15