|
1.
557 – 231 =
2
326
|
2.
51 + 294 =
2
345
|
3.
891 + 39 =
2
930
|
4.
112 – 11 =
101
2
|
|
5.
78 + 237 =
315
2
|
6.
681 – 650 =
31
2
|
7.
399 + 251 =
2
650
|
8.
284 + 121 =
405
2
|
|
9.
19 + 843 =
862
2
|
10.
225 – 102 =
2
123
|
11.
260 + 95 =
2
355
|
12.
676 – 346 =
2
330
|
|
13.
279 – 189 =
90
2
|
14.
923 – 632 =
2
291
|
15.
832 – 72 =
2
760
|
16.
238 – 72 =
166
2
|
|
17.
695 + 302 =
2
997
|
18.
464 + 359 =
823
2
|
19.
697 + 33 =
730
2
|
20.
874 – 592 =
282
2
|
|
1.
557 – 231 =
2
326
|
2.
51 + 294 =
2
345
|
3.
891 + 39 =
2
930
|
4.
112 – 11 =
101
2
|
|
5.
78 + 237 =
315
2
|
6.
681 – 650 =
31
2
|
7.
399 + 251 =
2
650
|
8.
284 + 121 =
405
2
|
|
9.
19 + 843 =
862
2
|
10.
225 – 102 =
2
123
|
11.
260 + 95 =
2
355
|
12.
676 – 346 =
2
330
|
|
13.
279 – 189 =
90
2
|
14.
923 – 632 =
2
291
|
15.
832 – 72 =
2
760
|
16.
238 – 72 =
166
2
|
|
17.
695 + 302 =
2
997
|
18.
464 + 359 =
823
2
|
19.
697 + 33 =
730
2
|
20.
874 – 592 =
282
2
|