cho hình vuông 3*3 ( 3 dọc 3 ngang ) và các số tự nhiên từ 1 đến 9. Hãy điền các số đã cho lần lượt vào hình vuông sao cho tổng các số trong bất kì hình vuông 2*2 bằng nhau và bằng T. Hãy tìm giá trị lớn nhất T có thể nhận.
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mình cũng có câu hỏi như thế mình cũng học cô loan mà đúng không bà là cẩm thanh mà bà cũng học cô loan mà
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có người làm rùi mà