Question

Вычислите наиболее удобным а)4/27+3/27+9/27+1/27

Answer 1

$\frac{4}{27}+\frac{3}{27}+\frac{9}{27}+\frac{1}{27}=\frac{1}{27}\cdot(4+3+9+1)=\frac{1}{27}\cdot17=\frac{17}{27}$

$\frac{4}{27}+\frac{3}{27}+\frac{9}{27}+\frac{1}{27}=\frac{4+3+9+1}{27}=\frac{17}{27}$

Answer 2

9/27+1/27+4/27+3/27=17/27