Помогите решить пожалуйста
1) 5/6 + 7/12
2) 6/5 - 3/4
3) 3/4 + 11/8
4)-20/-27 × (- 5/9)
5)36/60 × (- 5/18)
6)4/7 ÷ 17/21
7) 72/73 × 34/65 + 17/2
8)8/5 × 3/4 + 11/8
9)(7/6 - 1/12 + 1/36)× 72/34
10)(12 - 76/81 ÷ 64/9)


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