cho 5 chu so 2;3;4;5;6.tim so chinh phuong co 5 chu so tu cac chu so da cho
tim so chinh phuong co 4 chu so gom ca bon chu so 7,4,2,0
TIM SO CHINH PHUONG CO HAI CHU SO SAO CHO NEU CONG SO DO VOI SO GOM HAI CHU SO AY THEO THU TU NGUOC LAI THI TA DUOC MOT SO CHINH PHUONG
Tim tat ca cac so chinh phuong co 4 chu so va chia het cho 33
tim so chinh phuong co 4 chu so sao cho 2 chu so dau tao thanh so chinh phuong va 2 chu so cuoi cung tao thanh so chinh phuong
Tim so chinh phuong co 4 chu so duoc viet boi cac chu so 7;4;2;0
tim so chinh phuong gom 4 chu so biet so gom 2 chu so dau lon hon so gom 2 chu so sau 1 don vi
tim mot so chinh phuong gom4 chu so abcd = k mu 2 sao cho chuso cuoi la snt so k co tong cac chu so la 1 so chinh phuong
tim so co 3 chu so sao cho hieu cua so ay va so gom 3 chu so ay viet theo chieu nguoc lai la mot so chinh phuong