1.
278 + 60 =
2
338
|
2.
865 – 70 =
795
2
|
3.
201 + 100 =
301
2
|
4.
763 – 30 =
733
2
|
5.
252 – 70 =
2
182
|
6.
326 + 20 =
2
346
|
7.
979 + 90 =
1069
2
|
8.
337 – 40 =
297
2
|
9.
489 – 30 =
2
459
|
10.
598 + 100 =
2
698
|
11.
489 + 40 =
2
529
|
12.
133 + 100 =
233
2
|
13.
311 – 100 =
211
2
|
14.
193 + 60 =
253
2
|
15.
916 + 40 =
2
956
|
16.
253 + 20 =
273
2
|
17.
431 – 70 =
2
361
|
18.
265 – 80 =
185
2
|
19.
878 + 40 =
918
2
|
20.
697 + 80 =
2
777
|
1.
278 + 60 =
2
338
|
2.
865 – 70 =
795
2
|
3.
201 + 100 =
301
2
|
4.
763 – 30 =
733
2
|
5.
252 – 70 =
2
182
|
6.
326 + 20 =
2
346
|
7.
979 + 90 =
1069
2
|
8.
337 – 40 =
297
2
|
9.
489 – 30 =
2
459
|
10.
598 + 100 =
2
698
|
11.
489 + 40 =
2
529
|
12.
133 + 100 =
233
2
|
13.
311 – 100 =
211
2
|
14.
193 + 60 =
253
2
|
15.
916 + 40 =
2
956
|
16.
253 + 20 =
273
2
|
17.
431 – 70 =
2
361
|
18.
265 – 80 =
185
2
|
19.
878 + 40 =
918
2
|
20.
697 + 80 =
2
777
|