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