21,22,23,24,25,26,27,28,29这9个数字横加、竖加、左右斜加都等于75,如何做?

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21,22,23,24,25,26,27,28,29这9个数字横加、竖加、左右斜加都等于75,如何做?
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21,22,23,24,25,26,27,28,29这9个数字横加、竖加、左右斜加都等于75,如何做?
21,22,23,24,25,26,27,28,29这9个数字横加、竖加、左右斜加都等于75,如何做?

21,22,23,24,25,26,27,28,29这9个数字横加、竖加、左右斜加都等于75,如何做?
24 29 22
23 25 27
28 21 26