1、15+24= 48-18= 18+11= 37+11= 29-14= 44-20= 22+11= 38+11= 20+19= 31+17= 38+11= 49-19= 48-11= 32+10= 13+40= 16+23= 20+19= 11+17= 11+34= 10+29= 10+36= 31+16= 11+36= 13+44= 49-28= 48-17= 30+13= 30+19= 43-21= 44-13= 36+13= 34+11= 36-15= 36+13= 37+12= 38-14= 34+15= 34-14= 34+11= 34+14= 35+15= 35-24= 30+20=
2、 39-17= 30+13= 21+18= 21+27= 20+19= 21-11= 19-19=19+20= 17+21= 17+22= 17+30= 17+32= 16+40= 16+32= 16-14= 15+34= 15+21=11+38= 49-40= 49-29= 48-41= 48-16=48-17= 48-23= 27+12= 47+0= 47-13= 47-15= 46-15= 46-11= 46+0= 45-23= 35+11= 45-22= 34+12= 24+11= 49-13= 47-24= 44-30= 44-32= 44-22= 25+13= 43-21= 33+14= 42-11= 42+14= 42-10= 42-31= 42-11= 25-12= 38-25= 48-22= 38-10= 12+25= 24+23= 16+22= 33+55=48-36= 27+12= 34+11= 37-25= 29-12=11+38= 49-40= 49-29= 48-41= 48-16=