543+5+4+3=555
VAY A BANG 543
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cho so co 2 chu so neu lay tong cac chu so cong voi tich cac chu so cua so da cho thi bang chinh so do tim chu so hang don vi cua so da cho
Mot so co hai chu so bang 3 lan tong cac chu so cua no cong voi 7.Neu viet so do theo thu tu nguoc lai thi duoc so moi bang 7 lan tong cac chu so cua no cong voi 3.Tim so da cho
1. Tim trung binh cong cua tat ca cac so tu nhien co 4 chu so khac nhau duoc viet boi bon chu so 0;3;5;7.Trung binh cong cua tat ca cac so do la?2 .Tong cua 3 so bang 5,2. So thu nhat bang 2/3 so thu ba va so thu hai bang 50% so thu ba. Tim so thu hai?3. Tim mot phan so co mau so bang 25 , biet rang neu cong tu so voi 34 va nhan mau so voi 3 thi duoc phan so moi bang phan so da cho. Tim phan so do?4. Tim mot phan so biet rang neu cong them 4 vao tu so va giu nguyen mau so thi ta duoc phan so moi...
Đọc tiếp
1. Tim trung binh cong cua tat ca cac so tu nhien co 4 chu so khac nhau duoc viet boi bon chu so 0;3;5;7.Trung binh cong cua tat ca cac so do la?
2 .Tong cua 3 so bang 5,2. So thu nhat bang 2/3 so thu ba va so thu hai bang 50% so thu ba. Tim so thu hai?
3. Tim mot phan so co mau so bang 25 , biet rang neu cong tu so voi 34 va nhan mau so voi 3 thi duoc phan so moi bang phan so da cho. Tim phan so do?
4. Tim mot phan so biet rang neu cong them 4 vao tu so va giu nguyen mau so thi ta duoc phan so moi bang 1, con neu giu nguyen tu so va cong them 3 thi ta duoc phan so moi bang 1/2 .Tim phan so do?
5. Hay cho biet co tat ca bao nhieu so co 3 chu so ma tong co chu so cua moi so bang 4 . co tat ca bao nhieu so thoa man?
Tim so chia het cho 5. Biet rang neu lay 2 lan tong cac chu so cong voi so do thi bang 87. Gui loi giai day du va chi tiet nhe.
1 ,Tim so co 4 chu so biet chu so hang tram gap doi chu so hang chuc , chu so hang chua gap 3 lan chu so hang don vi
2, Tim 1 so co 2 chu so , biet neu so do chia cho chu so hang don vi cua no thi dc thuong = 6 va du 5
3,Tim so co 4 chu so biet neu xoa chu so hang chuc thi so do giam di 1188 don vi
4, Tim so co 3 chu so neu so do cong voi tong cac chu so cua no thi = 555
Giai Han Ra Nhe !
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tim so tn co cac chu so khac nhau ma khi dem so do cong voi tong cac chu so cua no thi bang 2019
Tim mot so tu nhien co 4 chu so . Biet rang so do cong voi tong cac chu so cua no thi bang 1993 ?
Tim 1 so tu nhien co 4 chu so .biet rang so do cong voi tong cac chu so cua no thi bang 1993
tim mot so tu nhien co 4 chu so biet rang so do cong voi tong cac chu so cua no thi bang 1993