Question

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

Answer 1

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

Answer 2

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

 

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