1.
3 + 73 =
76
2
4
3
|
2.
60 + 38 =
2
4
98
3
|
3.
68 – 42 =
4
26
2
3
|
4.
9 – 9 =
0
4
3
2
|
5.
47 – 40 =
3
7
1
2
|
6.
3 – 3 =
3
2
0
4
|
7.
4 – 1 =
4
3
2
1
|
8.
77 + 2 =
79
2
3
4
|
9.
80 + 13 =
3
2
93
4
|
10.
55 + 41 =
96
2
3
4
|
11.
13 + 75 =
88
2
3
4
|
12.
3 + 81 =
2
84
4
3
|
13.
34 – 33 =
2
3
4
1
|
14.
58 – 38 =
20
4
3
2
|
15.
40 + 59 =
99
4
2
3
|
16.
87 – 23 =
4
2
64
3
|
17.
48 + 13 =
3
2
61
4
|
18.
98 – 93 =
2
1
5
3
|
19.
93 – 15 =
3
4
78
2
|
20.
81 + 17 =
98
2
4
3
|
1.
3 + 73 =
76
2
4
3
|
2.
60 + 38 =
2
4
98
3
|
3.
68 – 42 =
4
26
2
3
|
4.
9 – 9 =
0
4
3
2
|
5.
47 – 40 =
3
7
1
2
|
6.
3 – 3 =
3
2
0
4
|
7.
4 – 1 =
4
3
2
1
|
8.
77 + 2 =
79
2
3
4
|
9.
80 + 13 =
3
2
93
4
|
10.
55 + 41 =
96
2
3
4
|
11.
13 + 75 =
88
2
3
4
|
12.
3 + 81 =
2
84
4
3
|
13.
34 – 33 =
2
3
4
1
|
14.
58 – 38 =
20
4
3
2
|
15.
40 + 59 =
99
4
2
3
|
16.
87 – 23 =
4
2
64
3
|
17.
48 + 13 =
3
2
61
4
|
18.
98 – 93 =
2
1
5
3
|
19.
93 – 15 =
3
4
78
2
|
20.
81 + 17 =
98
2
4
3
|