|
1.
587 – 10 =
577
4
3
2
|
2.
767 – 50 =
4
2
3
717
|
3.
556 + 50 =
3
2
606
4
|
4.
274 + 60 =
334
3
2
4
|
|
5.
233 + 40 =
4
2
273
3
|
6.
397 + 80 =
2
3
4
477
|
7.
144 + 80 =
224
3
4
2
|
8.
353 – 50 =
3
4
2
303
|
|
9.
841 – 20 =
821
3
4
2
|
10.
985 – 60 =
925
4
2
3
|
11.
632 + 30 =
662
3
4
2
|
12.
548 – 20 =
528
2
4
3
|
|
13.
209 – 30 =
4
3
2
179
|
14.
483 – 30 =
4
453
3
2
|
15.
172 + 20 =
3
4
2
192
|
16.
592 – 40 =
2
4
552
3
|
|
17.
775 – 50 =
4
2
3
725
|
18.
335 – 40 =
295
2
4
3
|
19.
538 + 30 =
3
568
4
2
|
20.
426 – 100 =
326
3
2
4
|
|
1.
587 – 10 =
577
4
3
2
|
2.
767 – 50 =
4
2
3
717
|
3.
556 + 50 =
3
2
606
4
|
4.
274 + 60 =
334
3
2
4
|
|
5.
233 + 40 =
4
2
273
3
|
6.
397 + 80 =
2
3
4
477
|
7.
144 + 80 =
224
3
4
2
|
8.
353 – 50 =
3
4
2
303
|
|
9.
841 – 20 =
821
3
4
2
|
10.
985 – 60 =
925
4
2
3
|
11.
632 + 30 =
662
3
4
2
|
12.
548 – 20 =
528
2
4
3
|
|
13.
209 – 30 =
4
3
2
179
|
14.
483 – 30 =
4
453
3
2
|
15.
172 + 20 =
3
4
2
192
|
16.
592 – 40 =
2
4
552
3
|
|
17.
775 – 50 =
4
2
3
725
|
18.
335 – 40 =
295
2
4
3
|
19.
538 + 30 =
3
568
4
2
|
20.
426 – 100 =
326
3
2
4
|