|
1.
652 – 279 =
373
3
2
4
|
2.
956 – 383 =
3
2
4
573
|
3.
554 + 57 =
2
611
4
3
|
4.
771 + 81 =
4
3
852
2
|
|
5.
73 – 39 =
34
2
3
4
|
6.
10 – 3 =
7
1
3
2
|
7.
123 – 36 =
87
2
3
4
|
8.
283 – 243 =
40
4
2
3
|
|
9.
152 + 55 =
2
4
3
207
|
10.
28 – 19 =
9
3
2
1
|
11.
682 + 62 =
4
3
744
2
|
12.
875 – 818 =
2
4
57
3
|
|
13.
973 – 857 =
116
3
4
2
|
14.
54 – 42 =
2
3
1
12
|
15.
773 + 21 =
2
3
4
794
|
16.
62 – 31 =
4
2
31
3
|
|
17.
986 + 3 =
989
4
3
2
|
18.
506 – 410 =
4
2
96
3
|
19.
366 + 127 =
3
493
2
4
|
20.
801 + 37 =
4
838
2
3
|
|
1.
652 – 279 =
373
3
2
4
|
2.
956 – 383 =
3
2
4
573
|
3.
554 + 57 =
2
611
4
3
|
4.
771 + 81 =
4
3
852
2
|
|
5.
73 – 39 =
34
2
3
4
|
6.
10 – 3 =
7
1
3
2
|
7.
123 – 36 =
87
2
3
4
|
8.
283 – 243 =
40
4
2
3
|
|
9.
152 + 55 =
2
4
3
207
|
10.
28 – 19 =
9
3
2
1
|
11.
682 + 62 =
4
3
744
2
|
12.
875 – 818 =
2
4
57
3
|
|
13.
973 – 857 =
116
3
4
2
|
14.
54 – 42 =
2
3
1
12
|
15.
773 + 21 =
2
3
4
794
|
16.
62 – 31 =
4
2
31
3
|
|
17.
986 + 3 =
989
4
3
2
|
18.
506 – 410 =
4
2
96
3
|
19.
366 + 127 =
3
493
2
4
|
20.
801 + 37 =
4
838
2
3
|