文档介绍：19-11 =
26- 4=
99-24=
29- 8=
88-77=
50-50=
24-13=
10+20=
14+25=
31-11 =
17- 7=
19-12=
88-80=
25-4=
99-23=
24-13=
15+14=
90-10=
20+8=
25+33=
18+11=
28+2=
29+1 =
25+25=
26-10=
12+5=
28+11=
25+12=
23-3=
12+10=
16+13=
24+4=
19+11=
17-12=
18-8=
19-6=
29+10=
72-10=
20+30=
99-98=
12+17=
60-40=
17-17=
90-40=
16+54=
20-10=
70-50=
50-30=
60+30=
12+33=
28+6=
16+44=
20+44=
50-50=
19-18=
18-15=
88+12=
66-16=
90-30=
65-25=
50-20=
87-7=
80+9=
18-13=
13+17=
15+53=
16+13=
14+22=
89-80=
14+26=
56-40=
66-20=
99-33=
66-46=
19+60=
17-( )=0
17-14=
15-3=
80+4=
26-16=
19-( )=13
27-14=
18+( )=20
14+( )=27
67-12=
16-( )=12
65-33=
65+25=
24+24=
8+( )=16
10+( )=50
65+( )=70
()-20=50
40+( )=60
20+( )=30
87-33=
16-6=
80-( )=0
75-25=
30+30=
59+10=
28+ 9=
15+ 8=
8 +12=
69+13=
48+13=
87-12=
12+10=
80-20=
67-15=
66-15=
12- 7=
10+19=
29-13=
85-16=
44-13=
25- 5=
89- 4=
88-18=
60-12=
51-12=
26+ 3=
67- 7=
98-18=
99+仁
29-13=
39+ 2=
50+50=
29-10=
68+ 5=
77-15=
99-66=
33+11=
26+38=
70+20=
56+16=
23-4=
47- 6=
22- 9=
72- 2=
49+ 7=
27+14=
59- 6=
64+ 5=
97-17=
d
29-19=
34+12=
13- 8=
69+ 3=
4 +50=
18- 9=
仁
55+25=
9 +43=
29-13=
90+10=
34+16=
17+16=
100-4=
11 =
87-10=
83-19=
22+40=
82-15=
23+16=
26+( )=66
60-16=
73+ 6= 9 + 6=
19- 6=
5=
35-16=
——[
16-11 =
〜一4
11 =
30+12=
I
30+70=
I
16+ 3=
4_“…-…"-……
60-20=
”丁
100-( )=80 23-( )=18 44+( )=60
70-( )=20
55+33=
34+12=
47-30=
21+47=
r---
16+( )=56 41-( )=30 86-12=
82- 6=
94-90=
90=
21+45=
88-69=
16+74=
16+76=
42+13=
26+27=
75-7仁 72+13=
5=
71-7=
5=
9=
45-42=
100-40=
81- 9=
29-14=
80-43=
71- 43=
44+17=
97-23=
72-67=
7-4=
18+76=
75-33= 67+30=
75+1 仁 73+9=
7+81 =
75-56=
72-60=
86-34=
38-28=
;
62-40=
100-84=
82-1 =
52+8=
91-57=
46+40=
37-10=
80+19=
89-30=
69+3=
81-36=
77+2=
79-26=
63+23=
67-53=
36-8=
45-24=
99-90=
5