文档介绍：76+2= 69-6= 89-3= 18-5= 37-0=
34-2= 71+9= 18+1= 72+0= 59-8=
49-5= 26-3= 40+4= 61-1= 46-5=
99+0= 99-0= 77+2= 35+1= 32+1=
99-3= 60+7= 99+0= 38-7= 95-2=
19-5= 37-0= 32+7= 56-4= 78-7=
76-6= 78-8= 59-0= 36+1= 75+0=
23-1= 83+0= 96+3= 94+5= 40+1=
52+8= 70+7= 23-1= 39+1= 97+0=
94+2= 68-4= 80+8= 22+6= 58+0=
54+5= 84+3= 20+7= 98-6= 44+0=
56+1= 60+5= 94-2= 65-3= 23+5=
20+7= 18-3= 62+0= 59+1= 49-8=
55+1= 58+1= 73-1= 79-0= 49-6=
11-0= 41+2= 42+1= 39-5= 24+1=
67-7= 87+0= 88-0= 29-5= 57-0=
15+4= 12+8= 52+5= 47+0= 27+2=
39+0= 16+4= 12+4= 20+0= 75+2=
76-0= 85-1= 74-3= 79-8= 63+5=
34+4= 19-3= 60-0= 13-2= 59-7=
16-6= 11+7= 43-2= 87+1= 77-5=
49-2= 16-3= 84-0= 64+2= 51-0=
87+2= 38-6= 18-1= 11+9= 29-2=
44-0= 74-3= 39-1= 17-6= 59+1=
58+2= 83-3= 33+7= 21+5= 37-6=
90+3= 71+1= 49-3= 91+0= 58+2=
40+7= 82+6= 25+3= 66+4= 91-1=
19-7= 61+2= 61+0= 11+9= 15+4=
85+2= 63-2= 37-5= 90+9= 59-6=
72+2= 94-1= 48+0= 22-0= 21+8=
68-4= 44+1= 84-3= 40+7= 50+0=
89+1= 31+3= 54-0= 40-0= 31+8=
83+3= 42+4= 21+8= 33+6= 75-3=
30-0= 55-3= 74+1= 37-3= 90+5=
66+2= 77+2= 77-1= 58-6= 14-2=
70+4= 13+2= 61+3= 69-7= 90+2=
85+5= 11+3= 12+6= 41+0= 69-8=
47-7= 71+1= 46+1= 60+8= 72+4=
90+3= 33+5= 96-2= 75+4= 25-1=
14+2= 92-0= 59+0= 51-0= 56+3=
39-6= 94+1= 47-0= 30+9= 38-2=
81+2= 78-1= 29-1= 31-1= 59-9=
12+0= 45-2= 63+6= 65+3= 53+7=
28+0= 71-1= 61-0= 59+0=