|
1.
89 – 19 =
70
2
|
2.
300 – 166 =
134
2
|
3.
644 – 331 =
2
313
|
4.
897 – 389 =
2
508
|
|
5.
987 + 0 =
987
2
|
6.
355 + 373 =
2
728
|
7.
551 – 417 =
2
134
|
8.
486 – 159 =
2
327
|
|
9.
534 + 394 =
2
928
|
10.
6 + 643 =
649
2
|
11.
287 + 621 =
908
2
|
12.
573 + 71 =
644
2
|
|
13.
348 – 293 =
55
2
|
14.
569 + 240 =
809
2
|
15.
665 + 197 =
862
2
|
16.
905 + 42 =
947
2
|
|
17.
687 + 83 =
2
770
|
18.
136 – 11 =
125
2
|
19.
510 – 465 =
45
2
|
20.
900 – 733 =
2
167
|
|
1.
89 – 19 =
70
2
|
2.
300 – 166 =
134
2
|
3.
644 – 331 =
2
313
|
4.
897 – 389 =
2
508
|
|
5.
987 + 0 =
987
2
|
6.
355 + 373 =
2
728
|
7.
551 – 417 =
2
134
|
8.
486 – 159 =
2
327
|
|
9.
534 + 394 =
2
928
|
10.
6 + 643 =
649
2
|
11.
287 + 621 =
908
2
|
12.
573 + 71 =
644
2
|
|
13.
348 – 293 =
55
2
|
14.
569 + 240 =
809
2
|
15.
665 + 197 =
862
2
|
16.
905 + 42 =
947
2
|
|
17.
687 + 83 =
2
770
|
18.
136 – 11 =
125
2
|
19.
510 – 465 =
45
2
|
20.
900 – 733 =
2
167
|