13/79 < 34/204
Mình chắc chắn 10000000000000000000000000000000000000000000000000000000000000000000%
13/79 < 34/204
Mình chắc chắn 10000000000000000000000000000000000000000000000000000000000000000000%
So sánh: 13/79 và 34/204
so sanh phan so sau:1/13^17 va 1/5^11
So sanh Phan so 13/45 va 26/49
so sanh phan so 1/2439 va 1/8313
Bai 1:Tim tat ca cac phan so bang phan so 34/51 co mau so tu nhien nho hon 13.
Bai 2:Tim va lap cac cap phan so bang nhau ma tu va mau dung 4 trong 5 so:2;4;8;16;32.
So sanh cac phan so sau
a)3/124;1/41;5/207;2/83
b)134/43;55/21;74/19;116/37
c)16/9;24/13
Ko quy dong va so sanh cac ban giup minh voi
so sanh a/ 63 ^15 va 34^18 b/ 83^9 va 26^12 c/ 64^5 va 11^10 d/ 65^4 va 7^6 e/ 244^11 va 80^13
Cho 2 phan so a/b va c/d (a,b,c,d€z,b,d be hon 0)
a) Chung minh rang a/b be hon c/d va nguoc lai.
b) Ap dung ket qua tren de so sanh cac phan so sau:
11/13 va 22/27; -5/11 va -9/37; -7/15 va -19/29
cho 2 phan so 4/4 va 6/7 tu 2 phan so da cho lap 1 phan so thu ba bang cach ;tu so la tong cac tu so cua 2 phan so da cho ,mau so la tong cac mau so da cho.Hay so sanh ba phan so do voi nhau va xep chung theo thu tu tang dan