cho so thap phan 17,209 chu so 7 thuoc hang
chu so chin trong so tap phan 17,209 thuoc hang nao ?
chu so 9 trong so 91,132 thuoc hang gi
chu so 5 trong so 254,836 chi
phan so 4/5 viet duoi dang so thap phan la
lop hoc co 32 hoc sinh so hoc sinh nu la 12 hoi so hoc sinh nu chiem bao nhieu phan tram so hoc sinh ca lop
Cho mot so thap phan co 4 chu so, phan thap phan co 2 chu so. Chu so hang chuc cua so do la 5 va xoa chu so 5 nay thi ta duoc mot so moi bang 1/9 so do. Tim so do
Khi chia 1 so thap phan ma co chu so o hang thap phan la 5 cho 125, 1 ban bo quen chu so 1 o hang don vi cua so thap phan , vi vay ket qua giam di 45,008 don vi.Tim so thap phan biet ket qua cua ca 2 truong hop deu la so chia het.
viet so thap phan co 3 chu so khac nhau biet rang chu so hang don vi cua so gap doi chu so hang phan muoi va gap 3 lan chu so hang phan tram
hay cho biet viet duoc bao nhieu so thap phan co du 4 chu so 0,2,4,6 ma co hai chu so o hang thap phan
Tu cac chu so 0, 1, 3, 6 co the lap duoc bao nhieu so thap phan co mot, hai, ba chu so o hang thap phan. cac chu so khac nhau va phai dung du 4 chu so da cho.
viet so thap phan co 3 chu so khac nhau biet rang chu so hang don vi gap doi cua so do gap doi chu so hang phan muoi va gap 3 lan chu so hang phan tram