小学三年级数学两位数乘两位数笔算质量监控习题
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97
×
30
=
60
×
51
=
51
×
77
=
59
×
12
=
40
×
80
=
9
7
6
0
5
1
5
9
4
0
×
3
0
×
5
1
×
7
7
×
1
2
×
8
0
17
×
30
=
67
×
27
=
18
×
36
=
55
×
42
=
51
×
41
=
1
7
6
7
1
8
5
5
5
1
×
3
0
×
2
7
×
3
6
×
4
2
×
4
1
54
×
86
=
58
×
45
=
81
×
54
=
38
×
96
=
87
×
25
=
5
4
5
8
8
1
3
8
8
7
×
8
6
×
4
5
×
5
4
×
9
6
×
2
5
53
×
67
=
64
×
96
=
35
×
47
=
85
×
32
=
38
×
66
=
5
3
6
4
3
5
8
5
3
8
×
6
7
×
9
6
×
4
7
×
3
2
×
6
6
三年级上册数学期中考试试卷分析
81
×
31
=
23
×
85
=
48
×
76
=
88
×
24
=
47
×
66
=
8
1
2
3
4
8
8
8
4
7
×
3
1
×
8
5
×
7
6
×
2
4
×
6
6
21
×
58
=
91
×
16
=
85
×
63
=
68
×
62
=
66
×
41
=
2
1
9
1
8
5
6
8
6
6
×
5
8
×
1
6
×
6
3
×
6
2
×
4
1
72
×
96
=
27
×
97
=
85
×
23
=
36
×
63
=
34
×
47
=
7
2
2
7
8
5
3
6
3
4
×
9
6
×
9
7
×
2
3
×
6
3
×
4
7
29
×
57
=
19
×
46
=
65
×
99
=
37
×
42
=
54
×
19
=
2
9
1
9
6
5
3
7
5
4
×
5
7
×
4
6
×
9
9
×
4
2
×
1
9
12
×
99
=
50
×
33
=
11
×
54
=
98
×
91
=
68
×
22
=
1
2
5
0
1
1
9
8
6
8
×
9
9
×
3
3
×
5
4
×
9
1
×
2
2
36
×
79
=
65
×
87
=
12
×
50
=
21
×
79
=
19
×
77
=
3
6
6
5
1
2
2
1
1
9
×
7
9
×
8
7
×
5
0
×
7
9
×
7
7
59
×
48
=
21
×
71
=
53
×
85
=
90
×
76
=
76
×
33
=
5
9
2
1
5
3
9
0
7
6
×
4
8
×
7
1
×
8
5
×
7
6
×
3
3
54
×
18
=
67
×
40
=
80
×
63
=
65
×
83
=
54
×
81
=
5
4
6
7
8
0
6
5
5
4
×
1
8
×
4
0
×
6
3
×
8
3
×
8
1
52
×
55
=
71
×
64
=
34
×
42
=
97
×
31
=
68
×
29
=
5
2
7
1
3
4
9
7
6
8
×
5
5
×
6
4
×
4
2
×
3
1
×
2
9
44
×
92
=
78
×
64
=
25
×
65
=
58
×
97
=
34
×
11
=
4
4
7
8
2
5
5
8
3
4
×
9
2
×
6
4
×
6
5
×
9
7
×
1
1
26
×
53
=
97
×
37
=
56
×
55
=
72
×
63
=
52
×
43
=
2
6
9
7
5
6
7
2
5
2