Các câu hỏi tương tự
Cho 2 so >130 co tong la 836.Chu so hang tram cua so thu 1 la 5 va cua so thu 2 la 3.Neu gach bo so 5 va 3 thi se duoc 2 so ma so nay gap doi so kia.Hieu hai so da cho la ?
cho 2 số lon hon 320 va co tong la 836 . so hang tram cua so thu nhat la 5 ,So thu hai la 3 . Neu xoa chu so 5 va 3 duoc so co 2 chu so ma so nay gap so kia 2 lan. Hieu cua 2 so da cho la?
cho day 2,11,29,56,92,.. a) tim so hang thu 100 cua day b)so 407 la so hang thu may cua day
viet cac so tu nhien lien tiep tu 1 den 100 tu trai sang phai thanh day :
a, day tren co bao nhieu chu so ?
b, chu so thu 1000 ke tu trai sang phai la nhung chu so nao ; la chu so cua so nao
Cau 1: viet 1000 so tu nhien dau tien , hoi chu so 3 co mat bao nhieu lan.Cau 2:de danh so trang 1 quyen sach nguoi ta dung 1995 chu so.hoi cuon sach day bao nhieu trang.Cau 3:Giai thich tai sao :a/so co 4 chu so xyxy khi chia cho so 2 chu so xy lai co thuong la 101.b/so co 6 chu so xyvxyv khi chia so co 3 chu so xyv lai co thuong la 1001Cau 4: Cho day so 4,7,10,13,16,.....a/tim so thu 100 cua day,so thu n cua day .b/So 45+23 co mat trong day do koCau 5:tim so tu nhien co 5 chu so,biet rang ne...
Đọc tiếp
Cau 1: viet 1000 so tu nhien dau tien , hoi chu so 3 co mat bao nhieu lan.
Cau 2:de danh so trang 1 quyen sach nguoi ta dung 1995 chu so.hoi cuon sach day bao nhieu trang.
Cau 3:Giai thich tai sao :
a/so co 4 chu so xyxy khi chia cho so 2 chu so xy lai co thuong la 101.
b/so co 6 chu so xyvxyv khi chia so co 3 chu so xyv lai co thuong la 1001
Cau 4: Cho day so 4,7,10,13,16,.....
a/tim so thu 100 cua day,so thu n cua day .
b/So 45+23 co mat trong day do ko
Cau 5:tim so tu nhien co 5 chu so,biet rang neu them 2 chu chu so vo dang su so do thi duoc so lon gap 3 lan so do co duoc bang cach viet them chu so 2 vao da truoc so do
(1/1;2/1;3/1;2/2;1/3;4/1;3/2;2/3;1/4)
Tim quy tac va viet them 5 so nua
50/31 la so thu may cua day do
50/31la so thuoc nhom bao nhieu va la so hang thu bao nhieu cua day va cua nhom
cho day so 11,14,17,....,68
Neu ta tiep tuc keo dai cac so hang cua day so thi so hang thu 2007 la bao nhieu
cho day 2,11,29,56,92,..
a) tim so hang thu 100 cua day
b)so 407 la so hang thu may cua day
cho day so 1,1;2,2;3,3;.....99,0. hoi so hang thu 50 cua day so la so nao