1.
77 – 7 =
3
2
4
70
|
2.
26 + 68 =
94
2
4
3
|
3.
54 + 16 =
3
70
2
4
|
4.
38 + 61 =
99
2
3
4
|
5.
63 + 8 =
4
3
2
71
|
6.
66 – 2 =
2
3
64
4
|
7.
19 – 14 =
5
2
3
1
|
8.
89 + 8 =
2
97
3
4
|
9.
63 – 14 =
3
4
2
49
|
10.
37 – 16 =
3
21
4
2
|
11.
34 + 10 =
2
4
44
3
|
12.
55 – 0 =
3
4
55
2
|
13.
48 – 24 =
3
2
24
4
|
14.
56 + 20 =
2
76
4
3
|
15.
8 – 8 =
4
2
3
0
|
16.
1 – 0 =
3
4
2
1
|
17.
28 + 15 =
3
43
2
4
|
18.
84 – 22 =
62
4
2
3
|
19.
92 – 46 =
4
2
3
46
|
20.
51 – 42 =
2
9
1
3
|
1.
77 – 7 =
3
2
4
70
|
2.
26 + 68 =
94
2
4
3
|
3.
54 + 16 =
3
70
2
4
|
4.
38 + 61 =
99
2
3
4
|
5.
63 + 8 =
4
3
2
71
|
6.
66 – 2 =
2
3
64
4
|
7.
19 – 14 =
5
2
3
1
|
8.
89 + 8 =
2
97
3
4
|
9.
63 – 14 =
3
4
2
49
|
10.
37 – 16 =
3
21
4
2
|
11.
34 + 10 =
2
4
44
3
|
12.
55 – 0 =
3
4
55
2
|
13.
48 – 24 =
3
2
24
4
|
14.
56 + 20 =
2
76
4
3
|
15.
8 – 8 =
4
2
3
0
|
16.
1 – 0 =
3
4
2
1
|
17.
28 + 15 =
3
43
2
4
|
18.
84 – 22 =
62
4
2
3
|
19.
92 – 46 =
4
2
3
46
|
20.
51 – 42 =
2
9
1
3
|