|
1.
886 – 20 =
3
866
4
2
|
2.
983 + 20 =
1003
4
3
2
|
3.
821 + 90 =
3
911
2
4
|
4.
482 + 10 =
492
3
2
4
|
|
5.
997 – 80 =
2
3
917
4
|
6.
327 + 90 =
417
4
2
3
|
7.
271 + 100 =
2
4
371
3
|
8.
859 – 70 =
789
2
4
3
|
|
9.
969 – 90 =
3
2
4
879
|
10.
681 – 60 =
621
3
2
4
|
11.
621 + 100 =
721
3
4
2
|
12.
846 – 80 =
3
4
766
2
|
|
13.
830 + 20 =
3
850
4
2
|
14.
231 + 10 =
241
4
3
2
|
15.
160 – 100 =
4
2
60
3
|
16.
360 + 90 =
450
4
3
2
|
|
17.
683 + 90 =
773
4
2
3
|
18.
215 – 50 =
4
2
165
3
|
19.
113 + 40 =
2
4
153
3
|
20.
730 + 40 =
2
770
3
4
|
|
1.
886 – 20 =
3
866
4
2
|
2.
983 + 20 =
1003
4
3
2
|
3.
821 + 90 =
3
911
2
4
|
4.
482 + 10 =
492
3
2
4
|
|
5.
997 – 80 =
2
3
917
4
|
6.
327 + 90 =
417
4
2
3
|
7.
271 + 100 =
2
4
371
3
|
8.
859 – 70 =
789
2
4
3
|
|
9.
969 – 90 =
3
2
4
879
|
10.
681 – 60 =
621
3
2
4
|
11.
621 + 100 =
721
3
4
2
|
12.
846 – 80 =
3
4
766
2
|
|
13.
830 + 20 =
3
850
4
2
|
14.
231 + 10 =
241
4
3
2
|
15.
160 – 100 =
4
2
60
3
|
16.
360 + 90 =
450
4
3
2
|
|
17.
683 + 90 =
773
4
2
3
|
18.
215 – 50 =
4
2
165
3
|
19.
113 + 40 =
2
4
153
3
|
20.
730 + 40 =
2
770
3
4
|