一、口算。
32 + 8 =
82 - 9 =
62 - 26 + 7 =
53 + 37 =
67 - 58 =
70 - 35 + 25 =
64 - 50 =
44 - 36 =
83 - 23 - 36 =
74 - 56 =
35 + 53 =
57 + 33 - 60 =
57 - 38 =
36 + 15 =
66 - 37 - 8 =
47 + 39 =
37 + 4 =
82 - 40 + 28 =
28 + 46 =
86 - 60 =
14 + 36 - 37 =
61 - 33 =
44 + 30 =
77 - 9 - 14 =
18 + 58 =
38 + 44 =
81 - 30 + 17 =
78 + 14 =
45 - 23 =
93 - 16 - 44 =
32 + 8 =
82 - 9 =
62 - 26 + 7 =
53 + 37 =
67 - 58 =
70 - 35 + 25 =
64 - 50 =
44 - 36 =
83 - 23 - 36 =
74 - 56 =
35 + 53 =
57 + 33 - 60 =
57 - 38 =
36 + 15 =
66 - 37 - 8 =
47 + 39 =
37 + 4 =
82 - 40 + 28 =
28 + 46 =
86 - 60 =
14 + 36 - 37 =
61 - 33 =
44 + 30 =
77 - 9 - 14 =
18 + 58 =
38 + 44 =
81 - 30 + 17 =
78 + 14 =
45 - 23 =
93 - 16 - 44 =
答案
40
73
43
90
9
60
14
8
24
18
88
30
19
51
21
86
41
70
74
26
13
28
74
54
76
82
68
92
22
33
73
43
90
9
60
14
8
24
18
88
30
19
51
21
86
41
70
74
26
13
28
74
54
76
82
68
92
22
33
二、给出最合适的付钱方式,不找零。
1. (
(
(
32元
2. (
(
(
5元8角
1. (
1
)张 (
1
)张 (
2
)张 32元
2. (
1
)张 (
1
)枚 (
3
)枚 5元8角
答案
1. 1 1 2
2. 1 1 3
2. 1 1 3
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