|
1.
891 – 90 =
2
3
4
801
|
2.
301 – 70 =
231
3
4
2
|
3.
379 + 90 =
469
4
3
2
|
4.
546 + 10 =
4
2
3
556
|
|
5.
757 – 30 =
3
2
4
727
|
6.
667 – 70 =
2
4
3
597
|
7.
387 + 50 =
3
437
4
2
|
8.
677 – 10 =
2
667
4
3
|
|
9.
908 + 80 =
4
988
3
2
|
10.
172 + 30 =
202
4
3
2
|
11.
539 – 100 =
2
3
439
4
|
12.
837 + 70 =
4
907
2
3
|
|
13.
503 – 70 =
2
4
3
433
|
14.
100 + 50 =
4
150
2
3
|
15.
104 + 20 =
4
2
124
3
|
16.
410 – 90 =
320
3
4
2
|
|
17.
844 + 80 =
2
924
3
4
|
18.
710 + 50 =
760
4
2
3
|
19.
841 – 40 =
801
4
3
2
|
20.
228 – 10 =
218
3
4
2
|
|
1.
891 – 90 =
2
3
4
801
|
2.
301 – 70 =
231
3
4
2
|
3.
379 + 90 =
469
4
3
2
|
4.
546 + 10 =
4
2
3
556
|
|
5.
757 – 30 =
3
2
4
727
|
6.
667 – 70 =
2
4
3
597
|
7.
387 + 50 =
3
437
4
2
|
8.
677 – 10 =
2
667
4
3
|
|
9.
908 + 80 =
4
988
3
2
|
10.
172 + 30 =
202
4
3
2
|
11.
539 – 100 =
2
3
439
4
|
12.
837 + 70 =
4
907
2
3
|
|
13.
503 – 70 =
2
4
3
433
|
14.
100 + 50 =
4
150
2
3
|
15.
104 + 20 =
4
2
124
3
|
16.
410 – 90 =
320
3
4
2
|
|
17.
844 + 80 =
2
924
3
4
|
18.
710 + 50 =
760
4
2
3
|
19.
841 – 40 =
801
4
3
2
|
20.
228 – 10 =
218
3
4
2
|