|
1.
15 – 4 =
1
11
|
2.
202 + 398 =
2
600
|
3.
998 + 0 =
2
998
|
4.
640 – 452 =
188
2
|
|
5.
850 + 80 =
2
930
|
6.
556 – 241 =
2
315
|
7.
297 – 119 =
2
178
|
8.
806 – 131 =
675
2
|
|
9.
619 – 507 =
112
2
|
10.
609 – 177 =
432
2
|
11.
504 + 17 =
2
521
|
12.
388 – 82 =
306
2
|
|
13.
394 + 575 =
2
969
|
14.
321 – 39 =
2
282
|
15.
806 – 23 =
2
783
|
16.
626 – 4 =
2
622
|
|
17.
448 – 345 =
103
2
|
18.
172 – 92 =
2
80
|
19.
913 – 495 =
418
2
|
20.
602 – 352 =
2
250
|
|
1.
15 – 4 =
1
11
|
2.
202 + 398 =
2
600
|
3.
998 + 0 =
2
998
|
4.
640 – 452 =
188
2
|
|
5.
850 + 80 =
2
930
|
6.
556 – 241 =
2
315
|
7.
297 – 119 =
2
178
|
8.
806 – 131 =
675
2
|
|
9.
619 – 507 =
112
2
|
10.
609 – 177 =
432
2
|
11.
504 + 17 =
2
521
|
12.
388 – 82 =
306
2
|
|
13.
394 + 575 =
2
969
|
14.
321 – 39 =
2
282
|
15.
806 – 23 =
2
783
|
16.
626 – 4 =
2
622
|
|
17.
448 – 345 =
103
2
|
18.
172 – 92 =
2
80
|
19.
913 – 495 =
418
2
|
20.
602 – 352 =
2
250
|