Các câu hỏi tương tự
1.Cho so N la so co hai chu so chia het cho 3.Neu viet xen so 0 vao giua hai chu so do roi cong no voi hai lan chu so hang chuc cua so N ta duoc so moi gap 9 lan so N.Tim so do
2.Tong hai so thap phan la 60,1.Neu dich dau phay cua so nho sang ben phai mot hang roi dem tru di so lon thi ta duoc 219,52.Tim hai so do.
3.Tim so co hai chu so biet neu ta them so 33 vao giua hai chu so do thi duoc mot so moi gap so phai tim 89 lan.
tim 1so co 2 chu so biet so do chia het cho 9 . neu viet them chu so 0 vao giua 2 chu so cua so do roi lay so moi tru di 6 lan chu so hang tram ta duoc so bang 8 lan so da cho
tim mot so tu nhien co 2 chu so biet neu viet them chu so 0 vao giua chu so hang chuc va hang don vi thi ta duoc so tu nhien gap 9 lan so cu
Tim 1 so tu nhien co Hai Chu so biet räng neu them Chu so 0 vao giua chu so hang chuc và don vi thi so do gap Len 10 lan neu viet Thêm chu so 1 vao Ben trai so vua nhan thi so do gap len 3 lan??
Ai låm duoc toi cho 2 tk
tim so co hai chu so biet rang neu ta viet them chu so 1 vao giua hai chu so cua so do ta duoc so moi gap so 9 lan so phai tim.tim so phai tim
1. tim so tu nhien co 3 chu so,biet so do gap 20 lan tong cac chu so cua no
2. tim so tu nhien co 2 chu so, biet rang neu lay so do chia cho hieu cua chu so hang chuc va hang don vi, thi ta duoc thuong la 28 du 1
3. tim 1 so tu nhien co ba chu so , biet rang neu chuyen chu so cuoi len truoc chu so dau ta duoc so moi hon so da cho 765 don vi
tim so co hai chu so biet rang neu viet them chu so 3 vao giua 2 chu so cua so do ta duoc so co 3 chu so gap 11 lan so phai tim
( Giai day du giup mih voi, mih dang can gap. ai dung mih tik)
neu ta viet them chu so 0 vao giua cac chu so cua mot so co 2 chu so ta duoc mot so moi co 3 chu so lon hon so dau tien 7 lan. tim so do
tim so co 4 chu so khac nhau, biet rang neu viet them chu so 0 vao giua so hang nghin va hang tram thi ta dc so moi gap 9 lan so phai tim.