1.
31 – 29 =
2
4
1
3
|
2.
99 + 1 =
2
4
3
100
|
3.
20 – 5 =
3
15
2
1
|
4.
63 + 35 =
3
4
98
2
|
5.
95 – 5 =
4
90
3
2
|
6.
8 – 2 =
1
3
2
6
|
7.
100 + 0 =
3
2
4
100
|
8.
99 – 99 =
2
4
3
0
|
9.
85 – 65 =
2
3
20
4
|
10.
38 – 0 =
4
3
38
2
|
11.
16 + 1 =
2
4
17
3
|
12.
78 + 19 =
97
2
4
3
|
13.
93 – 8 =
2
4
85
3
|
14.
75 + 10 =
4
2
85
3
|
15.
21 + 45 =
4
3
66
2
|
16.
9 + 22 =
4
2
31
3
|
17.
19 + 68 =
2
87
4
3
|
18.
51 – 12 =
3
2
4
39
|
19.
88 – 30 =
3
4
58
2
|
20.
33 + 1 =
2
3
4
34
|
1.
31 – 29 =
2
4
1
3
|
2.
99 + 1 =
2
4
3
100
|
3.
20 – 5 =
3
15
2
1
|
4.
63 + 35 =
3
4
98
2
|
5.
95 – 5 =
4
90
3
2
|
6.
8 – 2 =
1
3
2
6
|
7.
100 + 0 =
3
2
4
100
|
8.
99 – 99 =
2
4
3
0
|
9.
85 – 65 =
2
3
20
4
|
10.
38 – 0 =
4
3
38
2
|
11.
16 + 1 =
2
4
17
3
|
12.
78 + 19 =
97
2
4
3
|
13.
93 – 8 =
2
4
85
3
|
14.
75 + 10 =
4
2
85
3
|
15.
21 + 45 =
4
3
66
2
|
16.
9 + 22 =
4
2
31
3
|
17.
19 + 68 =
2
87
4
3
|
18.
51 – 12 =
3
2
4
39
|
19.
88 – 30 =
3
4
58
2
|
20.
33 + 1 =
2
3
4
34
|