Các câu hỏi tương tự
Tim so tu nhien n de 28+211+2n la so chinh phuong
tim so tu nhien n de 28+211+2n la so chinh phuong
tra loi n =
tim so tu nhien n de n^2+2n+12 la so chinh phuong
tim so tu nhien n de n2+200006 la so chinh phuong
1.Tinh gia tri bthuc:
A=1+3+5+...+19/21+23+25+...+39
2.Tim so tu nhien x,biet:
(5^x)*(5^x+1)*(5^x+2)=
1000000000000000000:2^18
3.1CMR:so viet boi 27 chu so giong nhau thi chia het cho 27
2.tim so n co 4 chu so,biet n la so chinh phuong va n chia het cho 147
4.Tim so tnhien n nho nhat de cac phan so sau deu toi gian:
7/n+9; 8/n+10; 9/n+11;...........;100/n+102
Tim n la so tu nhien de n2016 +1234 la so chinh phuong
tim so tu nhien n nho nhat de cac phan so sau toi gian
7/n+9, 8/n+10, 9/n+11,...,100/n+102
tim so tu nhien n sao cho n^2 +3n la so chinh phuong
tim so tu nhien lon hon 0 sao cho tong
1!+2!+...+n! la so chinh phuong
b)tim 1 so co 4 chu so sao cho so do vua la s chinh phuong vua la so lap phuong