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Follow the pattern\textbf{Follow the pattern} Follow the pattern

21+12\mathbf{21 + 12} 21+12

33\mathbf{33} 33

22+12\mathbf{22 + 12} 22+12

34\mathbf{34} 34

23+12\mathbf{23 + 12} 23+12

???

45\mathbf{45} 45

1

35\mathbf{35} 35

2

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789()456×÷123+-0.%=