497300 la dap an
kick minh nha kick minh minh kick lai
thank
497300 la dap an
kick minh nha kick minh minh kick lai
thank
tim tong cua tat ca so chan co bon chu so khi chias cho 5 du 2
tong can tim la
tim tong tat ca cac so co hai chu so khi chia cho 2 du 1 chia cho 3 du 2 chia cho 5 du 3
bai 1: tim 2 so biet tong cua chung la 2011 va biet giua chung co tat ca 9 so chan
bai 2:tim 2 so biet tong cua chung la 571 va biet giua chung co tat ca 18 so chan
Tim tong cac so co 4 chu so chia cho 5 du 2.tong can tim
Cho 6 chu so 1,2,3,5,7,9.tim tong cua tat ca cac so co 5 chu so khac nhau a moi so deu chia het cho 5 duoc lap tu cac so tren.
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?
Cho cac chu so 0,2,4,6
Hay viet tat ca cac so thap phan be hon 1 va moi so phai co ca bon chu so tren ( moi chu so chi viet mot lan)
Tinh tong cua tat ca cac so vua tim duoc
tim tong cac so chan lon nhat co 4 chu so khac nhau chia cho 5 du 2