viet cac phan so lan luot bang 7 phan 9 va 5 phan 12 va co mau so chung la 36
viet cac phan so lan luot bang 7/9 , 5/12 va co mau so chung la 36
viet so tu nhien 13 thanh cac phan so co mau so lan luot la : 3; 5 ; 10 ; 17 .
viet 5 phan so bang 1 co tu so lan luot la 7,9,10,12,15? dang can gap
Viet phan so : \(\dfrac{5}{7}\) thanh cac phan so co mau so lan luot la: 14 ; 28 ; 35 ; 105
bai 4 ;Viet hai phan so lan luot bang :
a) 5/7 ;4 va co mau so chung la 7
b) 9/11 ;5 va co mau so chung la 33
1, Quy dong mau so cac phan so 5/12,2/3 , 3/4
2,viet cac phan so lan luot bang 5/12, 7/18 va co mau so chung la 36
ai lam dung truoc minh tick cho
viet cac phan so lan luot bang \(\frac{5}{6}\);\(\frac{3}{4}\)va co mau so chung la 12
\(\text{viet cac phan so lan luot bang 5/7; 4 va co mau so chung bang 7}\)