Các câu hỏi tương tự
tim 1 so tu nhien co 2 chu so biet neu lay so do chia cho tong cac chu so cua no thi duoc 8 du 3
tim 1 stn co 2 chu so biet neu lay so do chia cho tong cac chu so cua no thi duoc 8 du 3
Tim mot so tu nhien co hai chu so, biet rang neu lay so do chia cho mot tong cac chu o cua no ta duoc thuong la 7
tim so tu nhien co hai chu so biet rang so do chia cho tong cac chu so cua no thi duoc thuong cung la tong cac chu so cua no
tim mot so co 3 chu so biet lay so do nhan voi tong cac chu so cua no ta duoc ket qua la 1000
giup to giai nhanh nhe to sap thi roi
1.Cho day so sau: 4,7,10,13,....,100,103
a. tinh tong day so tren
b. so 50,76,106 co la so do cua day so do khong? neu thuoc day thi no la so hang thu bao nhieu cua day?
2. tim so co 2 chu so, biet rang lay so do chia tong cac chu so cua no thi duoc thuong la 5 du 12
tim so tu nhien co 2 chu so , biet so do chia cho tong cac chu so cua no thi duoc 7 du 9
tim 1 so co 2 chu so biet neu lay so do chia cho tich cac chu so cua no thi duoc thuong la 5 du 2
Tim so tu nhien co hai chu so Biet rang neu lay so do chia cho tong cac so cua no ta duoc thuong la 5 du 12