Các câu hỏi tương tự
tim mot so tu nhienco hai chu so,biet rang khi chia no cho tong cac chu socua no thi duocthuong la 3 du 7 va neu doi hai chu so cua no cho nhau va cung chia cho tong hai chu so cua no thi duoc 7 du 3
tim so chia cua mot phep chia , biet rang : so bi chia 410, so du bang 19
a) tim mot so co hai chu so va neu lay so do chia cho chu so hang don vi thi duoc thuong la 8 va du 7
b) tong cua hai so bang 196 . tim hai so do
c)tim so co 3 chu so , biet rang neu viet them mot chu so 3 vao ben phai so do thi no tang them 2217 don vi
tim mot so biet khi chia no cho tong cac chu so cua no thi duoc thuong la 3 du 7 va neu doi 2 chu so cu no cho nhau va chia cho tong cac chu so cua no thi duoc 7 du 3
tim so tu nhien co hai chu so biet rang so do chia het cho tich cac chu so cua no
Tim 1 so tu nhien co 3 chu so , biet rang neu láy so do chia cho tong cac chu so cua no thi duoc thuong la 11
tim 1 so tu nhien co 3 chu so ,biet rang neu lay so do chia cho tong cac chu so cua no thi duoc thuong la 11
tim so chinh phuong n co ba chu so biet rang n chia het cho 5 va neu nhan n voi 2 thi tong cac chu so cua no khong doi
tim so co hai chu so biet rang so do gap 9 lan tong cac chu so cua no
Tim so chinh phuong n co 3 chu so ,biet rang n chia het cho 5 va neu nhan n voi 2 thi tong cac chu so cua no khong doi