Помогите плиз (3/4-1 7/8)÷3/4+3 1/9×3/7

Question

Помогите плиз (3/4-1 7/8)÷3/4+3 1/9×3/7

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Answer 1

(3/4 - 1 7/8) : 3/4 + 31/9 x 3/7 = (2_3/4 - 15/8) : 3/4 + 28/9 x 3/7 = ((6-15)/8) : 3/4 + 4/3 = -9/8 : 3/4 + 4/3 = -3/2 + 4/3 = -(9+8)/6 = -2 5/6

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