|
1.
942 – 20 =
4
922
2
3
|
2.
947 + 70 =
1017
2
3
4
|
3.
636 – 40 =
596
2
3
4
|
4.
495 + 100 =
2
4
595
3
|
|
5.
844 + 70 =
3
2
4
914
|
6.
579 – 70 =
2
4
509
3
|
7.
550 – 40 =
4
3
2
510
|
8.
849 – 10 =
839
2
3
4
|
|
9.
508 – 50 =
3
2
4
458
|
10.
598 + 60 =
2
658
4
3
|
11.
326 – 20 =
306
2
3
4
|
12.
285 – 30 =
3
2
255
4
|
|
13.
527 – 70 =
3
457
2
4
|
14.
345 – 20 =
325
4
3
2
|
15.
562 + 70 =
632
4
2
3
|
16.
312 – 60 =
4
2
252
3
|
|
17.
837 – 60 =
2
777
3
4
|
18.
672 + 40 =
712
4
3
2
|
19.
477 + 80 =
557
2
4
3
|
20.
903 – 30 =
2
873
3
4
|
|
1.
942 – 20 =
4
922
2
3
|
2.
947 + 70 =
1017
2
3
4
|
3.
636 – 40 =
596
2
3
4
|
4.
495 + 100 =
2
4
595
3
|
|
5.
844 + 70 =
3
2
4
914
|
6.
579 – 70 =
2
4
509
3
|
7.
550 – 40 =
4
3
2
510
|
8.
849 – 10 =
839
2
3
4
|
|
9.
508 – 50 =
3
2
4
458
|
10.
598 + 60 =
2
658
4
3
|
11.
326 – 20 =
306
2
3
4
|
12.
285 – 30 =
3
2
255
4
|
|
13.
527 – 70 =
3
457
2
4
|
14.
345 – 20 =
325
4
3
2
|
15.
562 + 70 =
632
4
2
3
|
16.
312 – 60 =
4
2
252
3
|
|
17.
837 – 60 =
2
777
3
4
|
18.
672 + 40 =
712
4
3
2
|
19.
477 + 80 =
557
2
4
3
|
20.
903 – 30 =
2
873
3
4
|