文档介绍：94-90= 71-43= 72- 67= 89-30= 69+3= 93- 90= 44+17= 7-4= 100 - 84= 18+39= 97-23= 18+ 76= 100 -78= 91-52= 21+ 45= 75-33= 67+30= 36+ 30= 7-1= 88-69= 16+ 74= 75+11= 73+9= 96-39= 100 - 99= 61+38= 72-37= 81- 36= 7+81= 16+76= 86- 83= 54+39= 55+27= 52+ 8= 78-9= 91-57= 73+ 6= 67+19= 45-42= 29+ 36= 100 -40= 46+40= 21+ 64= 51-40= 50-22= 8+69= 45+ 16= 44-34= 8-8= 81- 9= 26+48= 7-3= 29- 7= 37-10= 29-14= 80+ 19= 82-12= 80-43= 27+ 37= 47+36= 50-27= 56- 26= 51+25= 78-8= 50+ 13= 59-11= 8+80= 77+2= 75- 56= 42+13= 12+61= 39+ 42= 79-26= 72-60= 26+ 27= 62-46= 94-7= 63+ 23= 86-34= 75-71= 55- 50= 88-78= 67-53= 38- 28= 72+13= 23+74= 39+ 49= 36-8= 62-40= 94-5= 100 - 84= 45-24= 56+25= 71- 7= 39+28= 6+78= 13+ 53= 99-90= 82-1= 77- 5= 82-15= 51-40= 2- 2= 31+20= 57+9= 62+ 4= 81-2= 16+38= 39+ 28= 68-16= 41+44= 35+17= 98- 2= 49-21= 96-9= 34+ 41= 49-43= 48-25= 40+ 42= 70-44= 4+70= 26+ 35= 93-40= 87+10= 31+ 67= 73-10= 78+14= 83- 54= 58-27= 40-18= 80- 9= 84-11= 99-80= 37+45= 85- 44= 79-15= 51-50= 58+ 27= 87+12= 28-26= 89- 68= 98-16= 96-26= 47- 23= 99-61= 38-26= 28- 18= 6+86= 67-10= 76- 3= 73+1= 88-28= 45+ 9= 31+67= 67-41= 90-47= 73+ 14= 37+25= 16+48= 32+ 53= 42+12= 8+63= 71+ 4= 64+21= 61-49= 61+ 17= 99-67= 80-19= 27- 5= 37+14= 59-9= 15+ 72= 45-33= 55+11= 43- 21= 49+6= 79+6= 50-16= 31+ 24= 49+18= 61-14= 35- 12= 18-7= 23+67= 34- 18= 82-77= 77-52= 91- 29= 3+83= 57-55= 92- 32= 7+83= 43+27= 87+ 11= 46-17= 33+54= 64- 46= 43-6= 19+49= 51-25= 44+ 51= 10+64= 12+70= 50- 46= 29+40= 51+41= 33+ 32= 78+8= 59+2= 97- 16= 74+3= 27+51= 63- 39= 11+81= 16+38= 50- 24= 48+45= 13-6= 74- 29= 47-8= 13+43= 5+46= 99- 68= 80-57= 75-38= 23- 8= 25+75= 29-22= 97- 27= 43+7= 64+10= 66- 10= 29+56= 71-37= 14+ 46= 2+74= 42+43= 89- 34= 16+52= 67-44= 60- 25= 29-12= 31+44= 15+83= 65- 31= 14+70= 76-64= 95- 30= 31+52= 98-98= 57+ 6= 70-69= 68+21= 58- 24= 58+28= 36-7= 40- 12= 39-24= 52+15= 10+ 88= 10+88= 54+20= 79- 10= 2+95= 75-31= 37-31= 46+ 5= 36-6= 14+47= 67- 2= 1+82= 80+20= 95- 89= 31-29= 59-39= 28- 22= 20+75= 51+10= 11+ 63= 49+32= 81-35=