|
1.
7 – 1 =
2
6
1
3
|
2.
101 + 705 =
2
806
4
3
|
3.
427 + 179 =
2
4
606
3
|
4.
647 – 95 =
2
552
4
3
|
|
5.
554 + 9 =
563
2
4
3
|
6.
511 + 424 =
4
2
935
3
|
7.
367 + 183 =
550
2
4
3
|
8.
464 – 87 =
377
4
3
2
|
|
9.
676 – 61 =
615
3
2
4
|
10.
38 + 744 =
782
3
2
4
|
11.
785 – 211 =
2
574
3
4
|
12.
102 – 72 =
3
2
4
30
|
|
13.
525 – 216 =
3
309
4
2
|
14.
468 – 43 =
2
425
4
3
|
15.
684 + 143 =
827
4
2
3
|
16.
478 – 343 =
135
4
3
2
|
|
17.
31 – 15 =
16
4
2
3
|
18.
358 – 153 =
4
205
2
3
|
19.
232 – 43 =
4
3
189
2
|
20.
782 – 328 =
4
454
3
2
|
|
1.
7 – 1 =
2
6
1
3
|
2.
101 + 705 =
2
806
4
3
|
3.
427 + 179 =
2
4
606
3
|
4.
647 – 95 =
2
552
4
3
|
|
5.
554 + 9 =
563
2
4
3
|
6.
511 + 424 =
4
2
935
3
|
7.
367 + 183 =
550
2
4
3
|
8.
464 – 87 =
377
4
3
2
|
|
9.
676 – 61 =
615
3
2
4
|
10.
38 + 744 =
782
3
2
4
|
11.
785 – 211 =
2
574
3
4
|
12.
102 – 72 =
3
2
4
30
|
|
13.
525 – 216 =
3
309
4
2
|
14.
468 – 43 =
2
425
4
3
|
15.
684 + 143 =
827
4
2
3
|
16.
478 – 343 =
135
4
3
2
|
|
17.
31 – 15 =
16
4
2
3
|
18.
358 – 153 =
4
205
2
3
|
19.
232 – 43 =
4
3
189
2
|
20.
782 – 328 =
4
454
3
2
|