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