|
1.
15 + 1 =
3
4
2
16
|
2.
16 + 3 =
4
19
3
2
|
3.
13 + 7 =
2
20
4
3
|
4.
18 + 0 =
2
3
4
18
|
|
5.
12 + 5 =
17
4
3
2
|
6.
19 – 12 =
3
7
2
1
|
7.
20 – 1 =
19
3
2
4
|
8.
8 – 1 =
7
3
2
1
|
|
9.
10 + 8 =
4
2
18
3
|
10.
18 – 5 =
13
1
3
2
|
11.
15 + 4 =
2
4
19
3
|
12.
6 + 2 =
1
2
3
8
|
|
13.
4 – 0 =
1
4
2
3
|
14.
17 + 3 =
2
3
4
20
|
15.
6 – 3 =
3
4
1
2
|
16.
12 – 9 =
1
2
4
3
|
|
17.
18 – 8 =
10
3
1
2
|
18.
18 – 11 =
2
7
3
1
|
19.
8 – 5 =
1
3
4
2
|
20.
16 + 4 =
2
4
20
3
|
|
1.
15 + 1 =
3
4
2
16
|
2.
16 + 3 =
4
19
3
2
|
3.
13 + 7 =
2
20
4
3
|
4.
18 + 0 =
2
3
4
18
|
|
5.
12 + 5 =
17
4
3
2
|
6.
19 – 12 =
3
7
2
1
|
7.
20 – 1 =
19
3
2
4
|
8.
8 – 1 =
7
3
2
1
|
|
9.
10 + 8 =
4
2
18
3
|
10.
18 – 5 =
13
1
3
2
|
11.
15 + 4 =
2
4
19
3
|
12.
6 + 2 =
1
2
3
8
|
|
13.
4 – 0 =
1
4
2
3
|
14.
17 + 3 =
2
3
4
20
|
15.
6 – 3 =
3
4
1
2
|
16.
12 – 9 =
1
2
4
3
|
|
17.
18 – 8 =
10
3
1
2
|
18.
18 – 11 =
2
7
3
1
|
19.
8 – 5 =
1
3
4
2
|
20.
16 + 4 =
2
4
20
3
|