WorksheetsCộng trừ 2 chữ số
Total questions: 100
Worksheet time: 2hrs 40mins
89
-78
32
51
(a)
17
71
-25
16
(a)
83
-21
-11
38
(a)
46
51
-36
36
(a)
74
-63
72
-73
(a)
64
-53
66
21
(a)
58
-51
42
-18
(a)
51
38
-52
11
(a)
56
41
-82
21
(a)
16
51
21
-75
(a)
87
-66
71
-22
(a)
19
10
10
50
(a)
12
-12
87
-75
(a)
81
-31
41
-31
(a)
57
42
-24
11
(a)
92
-11
-61
-10
(a)
15
-15
32
11
(a)
98
-61
-26
-11
(a)
53
-51
46
51
(a)
52
15
22
-23
(a)
76
13
-12
-51
(a)
46
-15
-11
-10
(a)
37
11
51
-54
(a)
71
28
-15
-73
(a)
73
-13
38
-33
(a)
63
36
-34
31
(a)
41
-31
88
-26
(a)
97
-36
37
-33
(a)
41
55
-81
-15
(a)
34
65
-88
26
(a)
37
-11
-21
71
(a)
62
-12
48
-12
(a)
76
11
-36
22
(a)
64
35
-46
31
(a)
47
-21
-11
-15
(a)
81
-51
-10
-20
(a)
23
65
-52
12
(a)
95
-55
-20
11
(a)
69
-18
-51
67
(a)
76
13
-38
48
(a)
88
-63
51
12
(a)
42
-31
27
-16
(a)
99
-86
11
25
(a)
41
52
-71
-11
(a)
88
-35
26
-11
(a)
22
62
-74
-10
(a)
17
81
-26
-12
(a)
96
-51
-25
24
(a)
66
-15
32
-31
(a)
34
-34
93
-83
(a)
47
51
-33
33
(a)
28
-13
21
51
(a)
55
-55
44
55
(a)
74
25
-53
-41
(a)
64
-12
-52
87
(a)
79
-56
56
-57
(a)
91
-11
-30
35
(a)
57
-55
37
60
(a)
56
-55
42
-32
(a)
61
31
-82
38
(a)
66
-15
46
-21
(a)
48
-12
-25
67
(a)
94
-44
-50
94
(a)
89
-34
-55
27
(a)
68
21
-72
-16
(a)
12
-12
71
12
(a)
34
-12
22
-14
(a)
22
-22
24
-23
(a)
97
-51
-31
-15
(a)
41
-31
-10
24
(a)
58
-51
82
-31
(a)
79
-15
-51
65
(a)
12
-12
91
-41
(a)
31
62
-83
81
(a)
19
20
50
-36
(a)
48
-21
21
51
(a)
12
36
-42
72
(a)
15
-15
76
23
(a)
83
-12
27
-77
(a)
57
-56
88
-27
(a)
27
-15
-11
41
(a)
68
-12
22
11
(a)
16
61
12
-66
(a)
86
-31
-55
96
(a)
97
-55
52
-41
(a)
55
-55
19
60
(a)
55
13
11
-26
(a)
58
-56
55
22
(a)
82
-12
17
-21
(a)
53
15
21
-61
(a)
94
-54
-20
-20
(a)
88
-27
-51
76
(a)
23
-11
-11
96
(a)
65
-15
-50
44
(a)
14
-12
45
51
(a)
71
-11
18
21
(a)
91
-81
23
-33
(a)
36
61
-75
-12
(a)
46
-11
-25
-10
(a)
33
-12
58
-14
(a)
