1、1100-28-35= 23+47-28= 28+24-16= 19+19+24= 22+28+21= 81-32-18= 21+19-8= 39+36-66= 65-39+26= 28+28+28= 34+47-15= 91-19-56= 33+27+18= 15+55-33= 89-39-26= 12+18+37= 29+28+27= 51-16+26= 28+18-27= 89-19-28= 100-17-38= 18+49+28= 22+49-22= 21-8+39= 66-27+19= 38+14+19= 29+27+26= 37-29+16= 45+55-22= 100-65=26
2、= 100-39-45= 24+47-26= 88-66+49= 28+19+17= 56+26-39= 67+27-45= 51-22+39= 73-37+38= 29+36-29= 30-13+68= 100-87+48= 66-39+47= 25-18+37= 100-55+45= 100-17-38= 18+49+28= 22+49-22= 21-8+39= 266-（ 27+19）= 38+（ 14+19）= 29+（27+26）= 87-（29+16）= 45+（55-22 ）= 100-（39+45 ） = 24+（47-26）= 88-（66-49）= 28+（19+17）=
3、56+（56-39 ）= 51-(62-39)= 73-(37+38)= 29+(36-29)= 90-(13+68)= 100-(87-48)= 66-(39+17)= 75-(18+37)= 100-(55+45)= 100-(65-26)= 67-(27-18)= 66-（ 27+19）= 38+（ 14+19）= 29+（27+26）= 87-（29+16）= 45+（55-22 ）= 100-（39+45 ） = 24+（47-26）= 88-（66-49）= 28+（19+17）= 56+（56-39 ）= 51-(62-39)= 73-(37+38)= 29+(36-29)= 90-(13+68)= 100-(87-48)= 66-(39+17)= 75-(18+37)= 100-(55+45)= 100-(65-26)= 67-(27-18)=
