khi thuc hien mot phep nhan , le ra phai nhan so 2486 voi 7 ban An da so y viet nham so 7 thanh so 5 . Hoi tich giam di bao nhieu don vi ?
khi thuc hien mot phep nhan , le ra phai nhan 105 voi 5 nhung ban nam da so y viet nham 105 thanh 150 . hoi tich tang them bao nhieu don vi ?
khi nhan so 1ab voi 7 , ban an quen mat chu so 1 o hang tram . hoi tich bi giam di bao nhieu don vi
thua so thu nhat la 6 . khi tang thua so thu nhat len 4 don vi thi tich tang 36 don vi .hoi khi chua tang thi tich bang bao nhieu
Tich cua 2 so la 75. Ban A viet them chu so 0 vao ben phai thua so thu nhatva giu nguyen thua so thu 2 roi nhan 2 so voi nhau. Hoi tich moi la bao nhieu ?
khi thuc hien mot phep nhan le ra phai nhan so A voi 9 ban An lai dem so A nhan voi 6 tich giam di 375 don vi tim tich dung
tich cua hai so =75 .Ban a viet them so 0 vao ben phai thua so thu nhat va giu nguyen thua so thu hai roi nhan hai thua so do voi nhau.Hoi tich moi la bao nhieu ?
hai so tich bang 135 thua so thu nhat bang 9 neu tang thua so thu 2 len 5 don vi thi tich bang bao nhieu don vi
mot so chia cho 7 thi du 3.hoi phai them vao so do bao nhieu don vi de duoc phep chia het va tang them 3don vi