|
1.
23 – 13 =
1
3
2
10
|
2.
94 – 11 =
3
83
4
2
|
3.
27 – 20 =
1
2
7
3
|
4.
88 – 48 =
2
3
4
40
|
|
5.
45 – 10 =
4
35
2
3
|
6.
70 + 19 =
4
89
3
2
|
7.
84 + 15 =
2
99
3
4
|
8.
48 + 14 =
4
2
62
3
|
|
9.
59 + 30 =
3
4
2
89
|
10.
42 + 30 =
72
4
2
3
|
11.
75 + 18 =
3
2
4
93
|
12.
82 + 15 =
97
2
3
4
|
|
13.
80 + 14 =
3
4
2
94
|
14.
36 + 21 =
57
2
3
4
|
15.
86 – 51 =
35
4
3
2
|
16.
95 – 77 =
3
2
4
18
|
|
17.
48 + 39 =
4
2
87
3
|
18.
73 + 13 =
4
2
3
86
|
19.
19 + 55 =
74
2
4
3
|
20.
20 – 20 =
4
0
2
3
|
|
1.
23 – 13 =
1
3
2
10
|
2.
94 – 11 =
3
83
4
2
|
3.
27 – 20 =
1
2
7
3
|
4.
88 – 48 =
2
3
4
40
|
|
5.
45 – 10 =
4
35
2
3
|
6.
70 + 19 =
4
89
3
2
|
7.
84 + 15 =
2
99
3
4
|
8.
48 + 14 =
4
2
62
3
|
|
9.
59 + 30 =
3
4
2
89
|
10.
42 + 30 =
72
4
2
3
|
11.
75 + 18 =
3
2
4
93
|
12.
82 + 15 =
97
2
3
4
|
|
13.
80 + 14 =
3
4
2
94
|
14.
36 + 21 =
57
2
3
4
|
15.
86 – 51 =
35
4
3
2
|
16.
95 – 77 =
3
2
4
18
|
|
17.
48 + 39 =
4
2
87
3
|
18.
73 + 13 =
4
2
3
86
|
19.
19 + 55 =
74
2
4
3
|
20.
20 – 20 =
4
0
2
3
|