1) 32 2) 78 3) 54 4) 69
+ 27 -36 +32 -44
= 59 =42 =86 =25
Проверка 1) 59 2) 42 3) 85 4) 25
-27 +36 -32 +44
=32 =78 =54 =69
25+x=40+10
25+x=50
x=50-25
x=25