|
1.
989 + 100 =
1089
2
3
4
|
2.
767 – 40 =
3
2
727
4
|
3.
153 + 10 =
3
163
4
2
|
4.
474 – 20 =
454
3
2
4
|
|
5.
268 – 30 =
4
238
2
3
|
6.
507 + 80 =
587
3
4
2
|
7.
991 – 40 =
3
951
4
2
|
8.
612 + 70 =
2
3
4
682
|
|
9.
937 + 70 =
1007
2
4
3
|
10.
518 + 100 =
618
3
4
2
|
11.
358 + 100 =
458
2
4
3
|
12.
301 – 40 =
2
261
3
4
|
|
13.
575 – 30 =
2
545
3
4
|
14.
227 – 50 =
177
4
3
2
|
15.
242 – 90 =
152
3
2
4
|
16.
864 + 90 =
954
2
4
3
|
|
17.
606 – 100 =
4
3
2
506
|
18.
349 – 20 =
4
2
3
329
|
19.
708 – 60 =
3
4
2
648
|
20.
391 + 100 =
4
2
3
491
|
|
1.
989 + 100 =
1089
2
3
4
|
2.
767 – 40 =
3
2
727
4
|
3.
153 + 10 =
3
163
4
2
|
4.
474 – 20 =
454
3
2
4
|
|
5.
268 – 30 =
4
238
2
3
|
6.
507 + 80 =
587
3
4
2
|
7.
991 – 40 =
3
951
4
2
|
8.
612 + 70 =
2
3
4
682
|
|
9.
937 + 70 =
1007
2
4
3
|
10.
518 + 100 =
618
3
4
2
|
11.
358 + 100 =
458
2
4
3
|
12.
301 – 40 =
2
261
3
4
|
|
13.
575 – 30 =
2
545
3
4
|
14.
227 – 50 =
177
4
3
2
|
15.
242 – 90 =
152
3
2
4
|
16.
864 + 90 =
954
2
4
3
|
|
17.
606 – 100 =
4
3
2
506
|
18.
349 – 20 =
4
2
3
329
|
19.
708 – 60 =
3
4
2
648
|
20.
391 + 100 =
4
2
3
491
|