1000-63-0*56*2-12*0???

1000 - 63 - 0 × 56 × 2 - 12 × 0 = 937.

1) 0 × 56 = 0.

2) 0 × 2 = 0.

3) 12 × 0 = 0.

4) 1000 - 63 = 937.

5) 937 - 0 = 937.

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Удачи))))