Question

Решите (9/16+2 3/8)*4

Answer 1

$bigg(dfrac 9{16}+2dfrac 38^{(2}bigg)cdot 4=bigg(dfrac 9{16}+2dfrac 6{16}bigg)cdot 4=\\\=2dfrac {15}{16}cdot 4=dfrac {47cdot 4}{16}=dfrac {47}4=11dfrac 34$