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Question

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Answer 1

18+2=34-14=70-50=20.
56-50=6 (не равно 20)

Answer 2

1) 18+2= 20; 18+2≠10
2) 34- 14= 20; 34-14≠ 15
3) 56-50= 6; 56-50≠ 40
4) 70-50= 20; 70-50≠ 90