Ответ:\(10-9+4-2=3\)\(19-7-2=10\)\(20-4+3=19\)\(19-2+2=19\)\(2-11+7=-2\)\(20-5+3=18\)\(14-4+2=12\)\(12+5-13=4\)\(19-3-15=1\)\(19-4-2=13\)Ответ: 3; 10; 19; 19; −2; 18; 12; 4; 1; 13.