4 класс помогите плиз

Question

4 класс помогите плиз

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Answer 1

1) 2/9; 3/9; 4/9; 6/9; 7/9
2) 1/8; 2/8; 3/8; 5/8; 6/8
3) 3/9; 3/8; 3/7; 3/5; 3/4
4) 2/8; 2/7; 2/5; 2/4; 2/3