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问号处应填哪个数?填哪个数8。将左右两端方框中对应位置的数字相加,得到中间方框中对应位置的数字。2+5=7,6+2=8。
Which number should be filled in at the question mark? Add the numbers of the corresponding positions in the left and right boxes to get the numbers of the corresponding positions in the middle box. 2 + 5 = 7,6 + 2 = 8.