Zapishi virajeniya i vichisli ih znacheniya summa 30 i 40 raznost 80 i 70 k summe 25 i 10...

Question

Zapishi virajeniya i vichisli ih znacheniya summa 30 i 40 raznost 80 i 70 k summe 25 i 10 pribav 45 k raznosti 37 i 17 pribav 20

Answer 1

30+40=70
80-70=10
(25+10)+45=80
(37-17)+20=40