a, 4/7=16/28
3/2=42/28
5/4=35/28
b, 4/15=4/15
3/5=9/15
2/3=10/15
a, 4/7=16/28
3/2=42/28
5/4=35/28
b, 4/15=4/15
3/5=9/15
2/3=10/15
quy dong mau so cac phan so
5 phan 3 va4 phan 7=
4 phan 3;1 phan 2 va 3 phan 5=
3 phan 4va9 phan 16=
5 phan 6;7 phan 8;13 phan24=
11 phan9 va 13 phan 6=
quy dong mau so cac phan so
4 phan 3; 1 phan 2 va 3 phan 5=
5 phan 6;7 phan 8;13 phan 24=
u so cac phan so
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
Quy dong mau so cac phan so sau
1/2 , 2/3 va 3/7
5/6 , 7/9 va 1/3
Ai giai ho minh thi minh TICK cho
quy dong mau so 3 phan so 1 phan 4 ; 1 phan 2 ; va 1 phan 3
quy dong mau so cac phan so voi mau so chung nho nhat:a)1/6 va 1/9 b)3/8 va 5/12
Quy dong mau so cac phan so sau:
a, 2/3 va 17/81=
b,11/16 va 11/12=
c,5/7;7/5 va 31/35=
Quy dong mau so cac phan so sau
a 1/ 2,2 / 3 va 3 / 7
b 5 / 6,7 / 9 va 1 /3
giai ho minh nha ai nhanh nhat minh TICK cho
quy dong mau so hai phan so 3/4 va 11/30 {voi mau so chung nho nhat} ta duoc hai phan so la ... va ...