|
1.
690 – 53 =
2
637
3
4
|
2.
303 – 282 =
4
2
3
21
|
3.
74 – 36 =
2
3
38
4
|
4.
133 – 105 =
2
4
28
3
|
|
5.
85 + 526 =
611
2
3
4
|
6.
208 – 4 =
204
4
3
2
|
7.
111 – 20 =
3
4
2
91
|
8.
847 + 3 =
3
4
2
850
|
|
9.
895 + 51 =
2
4
946
3
|
10.
220 – 144 =
3
4
76
2
|
11.
916 – 219 =
2
697
4
3
|
12.
671 + 105 =
3
2
776
4
|
|
13.
478 + 189 =
667
4
3
2
|
14.
807 – 412 =
3
4
2
395
|
15.
958 + 8 =
2
3
966
4
|
16.
930 + 67 =
3
2
4
997
|
|
17.
400 – 52 =
348
3
2
4
|
18.
611 + 43 =
4
3
654
2
|
19.
969 + 12 =
4
981
3
2
|
20.
569 – 6 =
3
563
2
4
|
|
1.
690 – 53 =
2
637
3
4
|
2.
303 – 282 =
4
2
3
21
|
3.
74 – 36 =
2
3
38
4
|
4.
133 – 105 =
2
4
28
3
|
|
5.
85 + 526 =
611
2
3
4
|
6.
208 – 4 =
204
4
3
2
|
7.
111 – 20 =
3
4
2
91
|
8.
847 + 3 =
3
4
2
850
|
|
9.
895 + 51 =
2
4
946
3
|
10.
220 – 144 =
3
4
76
2
|
11.
916 – 219 =
2
697
4
3
|
12.
671 + 105 =
3
2
776
4
|
|
13.
478 + 189 =
667
4
3
2
|
14.
807 – 412 =
3
4
2
395
|
15.
958 + 8 =
2
3
966
4
|
16.
930 + 67 =
3
2
4
997
|
|
17.
400 – 52 =
348
3
2
4
|
18.
611 + 43 =
4
3
654
2
|
19.
969 + 12 =
4
981
3
2
|
20.
569 – 6 =
3
563
2
4
|