Question

решите срочно плиз бам 40 баллов​

Answer 1

$(18 \frac{1}{5} + \frac{3}{8}) - (10 \frac{1}{6} + 4) = \\ = (18 + \frac{8 + 15}{40} ) - (14 + \frac{1}{6} ) = \\ = 18 - 14 + \frac{23}{40} - \frac{1}{6} = \\ = 4 + \frac{23 \times 3 - 20}{120} = 4 \frac{49}{120}$