文档介绍：42 + 11 =
49 + 43 =
44 + 43
42
49
44
+ 11
+ 43
+ 43
96 + 30 =
94 — 10 =
92 + 20 :
96
94
92
+ 30
—10
+=
99 + 12
77
67
99
+ 11
43
+12
8 + 75 =
6 + 71 =
5 + 64
75
71
64
8
+ 6
+ 5
80 + 8 =
75 — 9 二
82 — 3 :
80
75
82
8
9
3
35 + 40 =
24 + 44 =
13 + 15 =
35
24
13
+ 40
十44
+ 15
69 — 35 =
95 — 48 =
89 — 37 =
69
95
89
35
一 48
37
8 + 18 =
3 + 14 =
9 + 53 =
18
14
53
8
+ 3
+ 9
94 + 9 =
45 — 6 二
14 — 8 =
94
45
14
9
6
8
35
+36 =
10 + 21 =
37 + 38 =
35
10
37
十
36
+21
+ 38
71
—33 =
64 — 48 =
94 — 25 =
71
64
94
一
33
一 48
25
3
+ 73 =
8 + 64 =
6 + 87 =
73
64
87
十
3
+ 8
+ 6
21
+ 4 =
16 — 8 =
48 + 7 =
21
16
48
十
4
8
+ 7
32 + 33 =
22 + 45 =
44 + 35 =
32
22
44
+ 33
+ 45
+ 35
51 — 35 =
59 + 40 =
59
+ 40
96 + 27 =
96
+ 27
一
51
35
6
+ 63 =
8 + 36 =
7 + 18 =
63
36
18
十
6
+ 8
+ 7
80
-7 =
61 — 8 =
90 — 3 =
80
61
90
一
7
8
3
41 + 47=
20 + 43 =
35 + 19 =
41
20
35
+ 47
+ 43
+ 19
73 + 39 =
62 — 43 =
65 + 18 =
73
62
65
+ 39
—43
+ 18
4
+60 =
9 + 52 =
4 + 47 =
60
52
47
十
4
十9
+ 4
83 + 6 =
35 — 5 =
63 + 2 =
83
35
63
6
5
2
19 + 28 =
16 + 32 =
14 + 16 =
19
16
14
+ 28
+ 32
+ 16
83
—41 =
58 — 31 =
59 + 40 =
83
58
59
一
41
31
+ 40
4
+ 81 =
3 + 17 =
9 + 55 =
81
17
55
十
4
+ 3
+ 9
11
-6 =
40 — 4 =
85 + 6 =
11
40
85
一
6
一 4
6
26 + 34 =
31 + 29=
23 + 30 =
26
31
23
+ 34
+ 29
+ 30
92 + 33 =
68 + 11 =
65 + 14 =
92
68
65
+33
+ 11
+ 14
6 + 14 =
3 + 83 =
9 + 86 =
14
83
86
6
+ 3
+ 9
92 + 3 =
65 + 4 =
40 — 6 =
92
65
40
+ 3
+ 4
6
32 + 15 =
25 + 42 =
19 + 45
32
25
19
+ 15
+42
+ 45
72 — 47 =
72
—47
70 —
70
一 44
44 =
53 — 19 =
53
19
6 + 34 =
2 +
36 =
8 + 38 =
34
36
38
6
+ 2
+ 8
14 + 7 =
10 +
8 =
28 + 4 =
14
10
28
7
8
4
48 + 50 =
22 + 39 =
19 + 40 =
48
2