Question

найдите значение выражения 16а+2у, при а=1/8, у= -1/6.

Answer 1

16(1/8)+2(-1/8)=2-1/3=1 2/3

Answer 2

$16* frac{1}{8}+2*(- frac{1}{6} )= frac{16*1}{8} - frac{2*1}{6} = frac{2*8}{8} - frac{2}{2*4} = frac{2}{1} - frac{1}{4} = \ =2- frac{1}{4}= 1 frac{3}{4}$