Tich cua hai phan so toi gian co tu so khac 1 bang \(\frac{6}{35}\). Tim tong cua hai phan so do
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
tim 1 phan so toi gian co tu so la 3 biet khi cong 1 vao tu so cua phan so do va giu nguyen mau so ta se duoc phan so moi co gia tri bang 1 phan2
viet phan so 1/2 thanh tong cua hai phan so toi gian khac nhau (tim hai cach viet khac nhau
A)Viet 5 phan so bé Hon 1,co Mau so la 7 va co tu so lon hon 0:
B)Viet 5 phan so lon hon 1 va co mau so la 5:
C)Viet 5 phan so bang phan so tam phan muoi hai :
D)Viet cac phan so khac 0 co tong cua tu so va mau so bang 7:
E)Hai phan so lon hon 1 co mau so bang 7 la :
G)Hai phan so bang 1 la:
H)Khoanh vao cac phan so bang ba muoi sau phan nam tu: Hai phan ba; sau phan muoi nam;tam phan muoi hai;muoi phan muoi nam
Giai ho minh bai toan nay nhe !Minh dang can bai toan nay trong ngay hom nay.
co bao nhieu phan so co : A, tong cua tu so va mau so =10 B tich cua tu so va mau so la 100
Muon so sanh hai phan so khac mau so, ta co the.........mau so hai phan so do, roi so sanh cac......cua hai phan so moi.
tim 1 phan so biet neu chuyen 13 don vi tu mau so len tu so ta duoc phan so moi co gia tri bang 1 va co tong cua tu so va mau so bang 192 . phan so do la
Mot phan so bang phan so 4/5 co tong cua tu va mau so la 198 tim phan so do