|
1.
450 – 20 =
3
430
2
4
|
2.
121 – 10 =
4
3
111
2
|
3.
818 – 90 =
4
3
728
2
|
4.
337 + 50 =
387
4
2
3
|
|
5.
382 – 20 =
2
3
4
362
|
6.
325 – 10 =
3
2
315
4
|
7.
220 + 10 =
4
230
2
3
|
8.
735 + 10 =
745
4
2
3
|
|
9.
733 – 80 =
4
653
3
2
|
10.
548 + 90 =
4
638
2
3
|
11.
473 – 70 =
3
403
4
2
|
12.
534 + 80 =
2
614
4
3
|
|
13.
410 + 30 =
3
4
2
440
|
14.
770 – 10 =
760
4
3
2
|
15.
666 + 40 =
706
4
2
3
|
16.
745 – 10 =
3
735
2
4
|
|
17.
984 + 30 =
4
3
2
1014
|
18.
466 + 40 =
3
506
4
2
|
19.
399 + 90 =
489
4
3
2
|
20.
333 + 20 =
4
3
353
2
|
|
1.
450 – 20 =
3
430
2
4
|
2.
121 – 10 =
4
3
111
2
|
3.
818 – 90 =
4
3
728
2
|
4.
337 + 50 =
387
4
2
3
|
|
5.
382 – 20 =
2
3
4
362
|
6.
325 – 10 =
3
2
315
4
|
7.
220 + 10 =
4
230
2
3
|
8.
735 + 10 =
745
4
2
3
|
|
9.
733 – 80 =
4
653
3
2
|
10.
548 + 90 =
4
638
2
3
|
11.
473 – 70 =
3
403
4
2
|
12.
534 + 80 =
2
614
4
3
|
|
13.
410 + 30 =
3
4
2
440
|
14.
770 – 10 =
760
4
3
2
|
15.
666 + 40 =
706
4
2
3
|
16.
745 – 10 =
3
735
2
4
|
|
17.
984 + 30 =
4
3
2
1014
|
18.
466 + 40 =
3
506
4
2
|
19.
399 + 90 =
489
4
3
2
|
20.
333 + 20 =
4
3
353
2
|