31-29= 41-39= 81-79= 51-48= 31-28= 41-38= 81-78= 33-26= 53-47 85-77= 45-38= 32-25= 72-67= 21-14= 31-24= 41-34= 81-74= 31-25 71-65= 41-35= 82-74= 42-38= 63-58= 33-25= 54-46= 94-86= 72-64 41-29= 61-39= 81-49= 42-24= 42-28= 63-34= 63-39= 84-46= 84-48 65-37= 48-23= 47-22= 67-34= 62-35 42-27= 66-38= 67-39= 71-59= 91-39 41-28= 71-58= 91-38= 71-55= 91-35 52-16= 71-26= 91-36= 71-13= 91-23 52-15= 73-58= 94-36= 72-54= 92-38 43-17= 73-56= 94-36= 73-28= 94-46 94-46= 54-28= 75-17= 70-30= 90-60 70-40= 90-70= 80-45= 50-25= 80-40 15+15= 26+37= 17+48= 26+47= 52-17 17+66= 44+47= 37+54= 65+27= 98-25 37+35= 48+25= 75+28= 78+18= 65-38 29+59= 67+27= 36+26= 34+57= 83-18 67+24= 49+42= 22+59= 40+30= 74-47 68-35= 67-35= 89-44= 89-45= 87-48= 83-45= 83-47= 51-19= 51-14= 71-51= 91-39= 51-15= 51-24= 71-14= 91-44= 51-23= 95-17= 76-58= 97-38= 58-19= 54-18= 75-28= 95-37= 53-25= 92-26= 90-40= 80-30= 20-10= 70-35= 40-15= 50-45= 30-15= 25+47= 38+45= 13+48= 26+48= 28+47= 27+88= 55+36= 16+85= 24+68= 38+54= 46+18= 58+36= 56+34= 67+23= 48+32= 69+31= 45+47= 65+27= 28+65= 55+38=93-27= 73-46= 65-18= 63-25= 82-56= 94-66= 83-77= 44-28= 52-14 62-14= 62-28= 74-26= 93-47= 83-16= 77-69= 75-28= 65-47= 83-25 72-15= 63-28= 82-47= 54-16= 95-48= 85-27= 63-36= 73-47= 52-15 52-17= 83-48= 73-55= 92-86= 62-58= 72-24= 54-36= 74-28= 43-27 71-59= 59-29= 63-19= 64-39= 72-39 83-28= 74-28= 52-18= 87-58= 66-28 55-17= 41-27= 77-7= 62-27= 10-10 54-36= 61-46= 55-26= 64-58= 54-26 71-65= 41-35= 82-74= 94-86= 72-64 71-29= 61-39= 81-49= 84-46= 84-48 65-37= 48-23= 47-22= 67-34= 62-35 42-27= 66-38= 67-39= 71-59= 91-39 51-18= 71-58= 91-38= 71-55= 91-35 52-14= 62-28= 74-26= 65-47= 83-25 72-15= 63-28= 82-47= 73-47= 52-15 42-17= 83-48= 73-55= 74-28= 43-27 71-59= 59-29= 63-19= 64-39= 72-39 63-47= 56-17= 75-47= 94-67= 78-59= 45-29= 86-49= 37-19= 73-48= 41-38= 75-68= 98-98= 83-66= 64-16= 92-37= 94-36= 42-38= 63-58= 33-25= 54-46= 42-24= 42-28= 63-34= 63-39= 68-35= 67-35= 89-44= 89-45= 87-48= 83-45= 83-47= 51-19= 51-14= 71-51= 91-39= 51-15= 93-47= 83-16= 77-69= 75-28= 54-16= 95-48= 85-27= 63-36= 92-86= 62-58= 72-24= 54-36= 78-59= 45-29= 86-49= 37-19=53-28= 74-28= 52-18= 73-48= 41-38= 75-68= 98-98= 87-58= 66-28 51-18= 71-58= 91-38= 51-14= 71-51= 91-39= 51-15= 71-55= 91-35 51-16= 71-26= 91-36= 51-24= 71-14= 91-44= 51-23= 71-13= 91-23 52-15= 73-58= 94-36= 95-17= 76-58= 97-38= 58-19= 72-54= 92-38 53-28= 74-28= 52-18= 87-58= 66-28 55-17= 41-27= 77-7= 62-27= 10-10 74-36= 61-46= 55-26= 64-58= 54-26 72-15= 63-28= 82-47= 73-47= 52-15 42-17= 83-48= 73-55= 74-28= 43-27 71-59= 59-29= 63-19= 64-39= 72-39 53-28= 74-28= 52-18= 87-58= 66-28 22+28= 40+60= 50+50= 62-4= 10+90= 35+18= 28+65= 63+28= 78+13= 47+15= 35+27= 56+25= 75+16= 44+27 47+24= 68+25= 46+37= 36+47= 67+25= 27+65= 49+42= 62+29= 67+14 37+35= 48+25= 75+28= 78+18= 28+38 29+59= 67+27= 36+26= 34+57= 26+46 67+24= 49+42= 22+59= 40+30= 67+17 63-47= 41-38= 75-68= 98-98= 56-17= 75-47= 94-67= 64-16= 92-37= 94-36= 95-48= 85-27= 63-36= 62-58= 72-24= 54-36= 45-29= 86-49= 37-19= 41-38= 75-68= 98-98= 25+8= 34-6= 80+20= 38+54= 46+18= 58+36= 67+23= 48+32= 69+31= 65+27= 28+65= 55+38= 73-48= 83-66= 54-16= 92-86= 78-59= 73-48= 70+30= 24+68= 56+34= 45+47= 本文来源：https://www.wddqw.com/doc/1c645f906bec0975f465e229.html