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WorksheetsCộng trừ 8,9
Total questions: 100
Worksheet time: 2hrs 40mins
6
2
-8
4
(a)
7
1
-8
1
(a)
8
1
2
-7
(a)
1
-1
8
-3
(a)
6
-1
4
-3
(a)
1
8
-2
-5
(a)
9
-7
1
-2
(a)
9
-9
8
-7
(a)
4
5
-8
-1
(a)
7
-1
-5
8
(a)
7
-2
-5
9
(a)
5
3
-8
7
(a)
9
-6
6
-8
(a)
1
-1
8
-3
(a)
7
1
-8
3
(a)
4
4
-8
3
(a)
7
2
-9
2
(a)
9
-8
5
-5
(a)
8
1
-8
5
(a)
9
-1
-3
3
(a)
6
3
-9
5
(a)
9
-8
-1
5
(a)
3
-1
7
-8
(a)
9
-8
-1
7
(a)
9
-8
8
-1
(a)
6
-5
7
-8
(a)
3
-1
7
-9
(a)
9
-9
7
1
(a)
7
-2
4
-9
(a)
9
-9
1
8
(a)
6
-5
8
-5
(a)
4
-1
6
-8
(a)
9
-8
-1
6
(a)
9
-9
2
-2
(a)
8
-8
4
-1
(a)
9
-8
8
-5
(a)
6
3
-8
-1
(a)
4
-4
1
8
(a)
7
-1
-5
8
(a)
9
-8
1
5
(a)
1
-1
5
1
(a)
6
-1
3
-6
(a)
3
1
-4
7
(a)
9
-4
-5
8
(a)
9
-1
-6
-2
(a)
7
-1
2
-5
(a)
5
-5
1
-1
(a)
8
-2
2
-5
(a)
8
-6
-2
9
(a)
1
-1
8
-5
(a)
3
1
5
-3
(a)
7
-6
2
6
(a)
8
-3
4
-2
(a)
9
-5
-2
5
(a)
3
-3
9
-7
(a)
5
2
-6
7
(a)
2
-2
7
1
(a)
5
2
-1
2
(a)
5
3
-1
1
(a)
7
-5
6
-3
(a)
7
-2
-5
3
(a)
7
-5
2
5
(a)
5
4
-8
6
(a)
8
-6
2
5
(a)
3
-3
6
-1
(a)
4
5
-3
1
(a)
4
5
-3
-5
(a)
2
-1
-1
9
(a)
7
-5
-2
7
(a)
4
-4
2
-2
(a)
8
-7
-1
9
(a)
9
-8
6
-5
(a)
6
2
-2
-1
(a)
6
2
-7
7
(a)
1
-1
4
-4
(a)
9
-3
3
-6
(a)
6
-1
4
-4
(a)
8
-5
1
5
(a)
3
5
-6
2
(a)
7
2
-6
6
(a)
9
-1
-5
1
(a)
7
1
-6
-2
(a)
7
2
-7
5
(a)
3
-3
6
-5
(a)
9
-2
1
-1
(a)
5
-5
8
-3
(a)
3
6
-7
5
(a)
5
-5
3
-2
(a)
7
2
-4
-5
(a)
5
-5
1
5
(a)
6
3
-3
3
(a)
9
-5
5
-2
(a)
3
1
5
-3
(a)
1
-1
7
1
(a)
8
-6
-2
1
(a)
6
-5
2
1
(a)
2
-1
3
5
(a)
5
1
1
-5
(a)
7
-2
-5
8
(a)
2
-1
5
-5
(a)
