Question

Simplificați prin 5 următoarele fracții10/15;15/45;5a/10b;10a+10b/25x+25y;2 la puterea 2 •5/3•5.
Coroană

Answer 1

10/15=2/3,15/45=3/9=1/3,5a/10b=1a/2b,10a+10b=10(a+b),25x+25y=25(x+y), si la ultima 20/15=4/3

Answer 2

10/15=2/3 15/45=3/9 5a/10b=a/2b 10 (a+b)/25 (a+b)=2/5 2^2×5/3×5=4/3