Question

Diferenta a doua nr este 22,3.determinati-le stiind ca suma lor este 28,56

Answer 1

a-b=22,3
a+b=28,56
a-b+a+b=22,3+28,56
2a=50,86
a=25,43
25,43+b=28,56
b=28,56-25,43
b=3,13

Answer 2

a-b=22,3    =>a=22,3+b

a+b=28,56  =>22,3+2*b=28,56   -22,3

                       2*b=6,26/2

                       b=3,13     =>a=3,13+22,3=25,16