Các câu hỏi tương tự
Tim so tu nhien co 2 chu so biet rang chu so hang chuc lon hon chu so hang don vi la 2 va so do lon hon tong cac binh phuong cac chu so cua no la 1.
tim tat ca cac so tu nhien có 2 chu so biet rang chu so hang don vi nho hon chu so hang chuc la 2 va tich cua chu so do cua no luon lon hon tong cua hai chu so cua nó la 34 don vi
Tong chu so hàng chuc và hai lan hang don vi cua mot so co hai chu so bang 18 .Neu doi hai chu so cho nhau thi duoc so moi hon so da cho 24 don vi . Tim so da cho
2 4 6 8 la cac so chan vay thi 1 3 5 7 9 la cac so le khi cong tung so lai ta se duoc 45 so chan la 20 so le la 25 khi chia tong cua cac chu so le
cho tong cua cac chu so chan ta duoc bao nhieu (khong du) de sao cho so do bang tong cua cac chu so le va chu so chan
lap he phuong trinh tim 1 so co 2chu so biet tong 2chu so la 12 vai khi thay doi thu tu 2chu so, so moi lon hon so cu 18
Cho 1 so co 2 chu so. Biet rang so do gap 7 la chu so hang don vi neu chia so do cho chu so hang chuc cua no duoc thuong la 11 du 2. Tim so da cho.
tim so chinh phuong co 4 chu so. Biet so gom 2 chu so dau lon hon so gom 2 chu so cuoi 1 don vi.
tim so tu nhien co hai chu so .Biet rang tong cac chu so bang 6 va neu them vao so don vi thi duoc mot so cung viet bang cac chu so do nhung theo thu tu nguoc lai
tim mot so co 2 chu so. biet chu so hang chuc>chu so hang don vi la 2 neu lay so do chia tong chu so cua no dc 6 du 1