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