co tat ca...... so nguyen n thoa man (n-12) chia het cho (n+12)co bao nhieu cach viet phan so 14thanh tong cua hai phan so co tu bang 1 mau duong va khac nhaubiet 22+22+23+24+...+22013 = 2a , vay a...
Đọc tiếp
co tat ca...... so nguyen n thoa man (n-12) chia het cho (n+12)
co bao nhieu cach viet phan so
| 1 |
| 4 |
thanh tong cua hai phan so co tu bang 1 mau duong va khac nhau
biet 22+22+23+24+...+22013 = 2a , vay a bang
