Question

find the missing number​

Answer 1

To find x and y

x

1 1 [1-1=x] x= 0

7 y 7 《y=6》[7-y=1, 7-y=1] {CALCULATE IT FROM BOTTOM TO UP}

9 28 1 [9-2=7, 8-1=7, ]

so, 8-2=y

y = 6

Answer

0

1 1

7 6 7

9 2 8 1

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