khi viet then chu so 2 vao ben phai mot so tu nhien co 3 chua so thi so do tang them 4106 don vi .Tim so co ba chu so do. gui bai giai cho minh ngay nha neu ai biet
so tu nhien lon nhat co cac chu so khac nhau ma tong cac chu so cua no bang 21
giai giup minh nhe
Tong cua 2 so la so tu nhien bang 1092 . Neu o so hang thu nhat lan luot thay chu so hang don vi la 9 thanh 3 ,that chu so hang chuc la 7 thanh 1 thi duoc so hang thu hai .Tim hai so do ? ming cac ban giup minh giai bai toan nay nhe va nho co ca loi giai nha cac ban nhe ?
biet bai nao giai ho bai y
1tim mot so co 2 chu so biet rang so do gap 5 lan tong chu cac so cua no
tim so co 3 chu chu so biet rang them chu so 5 vao ben phai so do thi so do tang them 1112dv
tim mot so tu nhien co 2 chu so biet rang them chu so 9 vao ben trai so do thi duoc mot so gap 13 lan so da cho
tim mot so tu nhien co 4 chu so biet rang neu xao di 2 chu so cuoi thi duoc so moi be hon so ban dau la 1496
phan tich giup minh voi
Trung binh cong cua 2 so tu nhien la 117 .Tim hai so do biet rang neu viet them chu so 1 vao ben trai so be thi duoc so lon .mong cac ban giai bai toan giup minh nhe va co ca loi van nha moi nguoi ?
trung binh cong cua tu so va mau so cua mot phan so bang6 .phan so do bang mot so tu nhien . tim cac phan so do giai ra giup minh nhe minh can ngay bay gio trong vong 1 phut
co bao nhieu so tu nhien co hai chu so ma moi so chi co mot chu so 6
Co bao nhieu so tu nhien co hai chu so ma moi so chi co mot chu so 6