viet phan so 2/3 thanh tong cua 2 phan so toi gian khac nhau
Tich cua hai phan so toi gian co tu so khac 1 bang \(\frac{6}{35}\). Tim tong cua hai phan so do
Tich cua hai phan so toi gian co mau so khac 1 la 15/14. Tong 2 phan so do?
Viet moi phan so sau thanh tong cac phan so co tu so bang 1 va mau so khac nhau :5/6 ;7/12 ;8/15 ;17/24 giup toi giai toan that nhanh
1) Mot hinh chu nhat co chu vi la 320 cm . Biet neu viet them chu so 1 vao ben trai so do chieu rong thi duoc so do chieu dai . Tim dien tich cua hinh chu nhat ?
2) Viet cac phan so sau day thanh tong 3 phan so sao cho moi phan so co tu so la 1 , mau so khac nhau
a) 11/26 ; b) 7/8
viet pahn so 15/16 thanh tong cac phan so co tu so la 1 mau so khac nhau
SAI
Viet phan so 5/6 thanh tong cua hai phan so toi giang
tong cua hai so khac nhau bang 2230 -neu viet them chu so 2 vao ben trai cua so be thi duoc so lon tim hai so ban dau
viet moi phan so sau thanh tong cac phan so co tu so bang 1 va mau so khac nhau
5/6 7/12 8/15 17/24
giai tri tiet bai toan
