Question

1 intregi 1 pe 2 + 4 supra 9 x 2 intregi 1 pe 4


ofer 15p !!!!!!

Answer 1

= 1*1/2 + 4/9 x 9/4 =  1 *1/2 + 1 = 2 intregi 1/2 

Answer 2

$1\dfrac{1}{2}+\dfrac{4}{9}\cdot2\dfrac{1}{4}=\dfrac{1\cdot2+1}{2}+\dfrac{4}{9}\cdot\dfrac{2\cdot4+1}{4}=\dfrac{3}{2}+\dfrac{4}{9}\cdot\dfrac{9}{4}=\dfrac{3}{2}+1=\dfrac{5}{2}=5:2=2,5$