Question

Помогите,пожалуйста.3/2×5/6+3/2÷9/10-3/2×13/18

Answer 1

$= \frac{3 \times 5}{2 \times 6} + \frac{3 \times 10}{2 \times 9} - \frac{3 \times 13}{2 \times 18} = \frac{5}{4} + \frac{5}{6} - \frac{13}{12} = \frac{15 + 10 - 13}{12} = \frac{12}{12} = 1$