1.
769 – 80 =
2
689
|
2.
536 – 20 =
2
516
|
3.
812 + 40 =
2
852
|
4.
458 + 10 =
468
2
|
5.
784 + 40 =
824
2
|
6.
889 – 20 =
869
2
|
7.
253 – 100 =
153
2
|
8.
840 + 90 =
930
2
|
9.
510 + 60 =
570
2
|
10.
655 – 90 =
565
2
|
11.
987 – 70 =
917
2
|
12.
302 + 70 =
372
2
|
13.
232 – 70 =
2
162
|
14.
192 + 40 =
232
2
|
15.
141 + 70 =
2
211
|
16.
719 – 90 =
2
629
|
17.
772 – 50 =
722
2
|
18.
202 + 80 =
282
2
|
19.
735 – 100 =
2
635
|
20.
164 + 20 =
2
184
|
1.
769 – 80 =
2
689
|
2.
536 – 20 =
2
516
|
3.
812 + 40 =
2
852
|
4.
458 + 10 =
468
2
|
5.
784 + 40 =
824
2
|
6.
889 – 20 =
869
2
|
7.
253 – 100 =
153
2
|
8.
840 + 90 =
930
2
|
9.
510 + 60 =
570
2
|
10.
655 – 90 =
565
2
|
11.
987 – 70 =
917
2
|
12.
302 + 70 =
372
2
|
13.
232 – 70 =
2
162
|
14.
192 + 40 =
232
2
|
15.
141 + 70 =
2
211
|
16.
719 – 90 =
2
629
|
17.
772 – 50 =
722
2
|
18.
202 + 80 =
282
2
|
19.
735 – 100 =
2
635
|
20.
164 + 20 =
2
184
|