Question

Calculați:
d
$(3 + \frac{3}{8}) \div( \frac{4}{35} - \frac{2}{10} \times \frac{7}{4}) \times \frac{4}{15}$
)​

Answer 1

27/8:(4/35-1/5x7/4)x4/15=
27/8:(4/35-7/20)x4/15=
27/8:(-33/140)x4/15=
-27/2x140/33x1/15=
-9/2x28/11x1/3
-3x14/11=-42/11