文档介绍：27X16 =
39X66=
17X51 =
43 X 22=
1754-5=
4604-8=
84054-7=
91604-4=
36644-6=
23604-4=
18X34 =
19X25 =
27X32 =
45X12 =
33X12=
32X69=
23X31 =
142X23=
32X37=
45X12=
114X25=
433X36=
25X43=
302X24=
59X27=
4204-8=
7934-8=
8164-4=
217x7=
16x14=
38x62=
616-7=
0x125=
179—8=
74x53=
75x24=
0-155=
834-8=
32x29=
46x53=
13x13=
525-5=
738—2=
23x41=
18x17=
62x27=
297—3=
28x56=
28x47=
47x31=
75x28=
12x123=
36x58=
219—3=
139:4=
240—3=
49x68=
791—7=
64x67=
7x123=
46x79=
76x22=
518:14=
786x6=
88x66=
61x29=
98x23=
77x23=
35x7=
179:8=
99x33=
59x12=
208-3=
110:4=
455-5=
412:4=
840:7=
35x45=
43x21=
33x33=
489-3=
-=
5094-5=
65X34=
623—7=
416-8=
73x69=
82x24=
10-=
7-=
7824-6 =
69X24 =
4634-3=
5064-7 =
78 + 266 =
920-538 =
53x55 =
72x87=
500-6=
37X29=
+=
16-=
46X80=
13+=
36X18=
7744-8 =
5084-2 =
3704-5 =
19X47 =
9004-5 =
23X34 =
3924-4 =
360X5 =
32X68 =
2074-9 =
63X36 =
26X38 =
7704-5 =
6964-2 =
8824-4 =
8094-8 =
56X79 =
64X28 =
8204-3 =
6304-6 =
4584-4 =
4+=
- =
10- =
-5 =
+ =
- =
+ =
+=
+=
-=
-=
+=
-=
-=
-=
+=
-=
-=
+=
+=
+=
+=
+=
+=
+=
+=
-=
-=
+=
-=
-=
-=
+=
+=
+=
+=
-=
9-=
+3=
+4=
+=
+9=
-=
+8=
-=
-=
+4=
+=
-=
+16=
-=
17x28=
21x32=
12x41=
21X34=
22X14=
32X12=
41x21=
11x25=
43x12=
33X31 =
24X12=
238 + 647=
412-298=
204X3=
9204-8=
783-6=
824:4=
720—3=
65x84=
12x63=
32x98=
26x39=
76x18=
45x36=
89x46=
38x21=
39x43=
59x64=
65x31=
37x82=
550-7=
492:7=
254-5=
214—3=
400-6=
281—6=
165-4=
142:7=
876-3=
8