|
1.
449 – 229 =
2
3
4
220
|
2.
678 – 668 =
2
10
1
3
|
3.
882 – 427 =
455
2
4
3
|
4.
877 – 260 =
2
4
3
617
|
|
5.
469 – 394 =
75
3
4
2
|
6.
454 – 221 =
233
4
2
3
|
7.
51 + 43 =
3
2
4
94
|
8.
180 + 412 =
592
2
3
4
|
|
9.
844 + 102 =
3
2
946
4
|
10.
362 + 425 =
787
4
2
3
|
11.
869 + 79 =
4
2
948
3
|
12.
837 – 430 =
2
3
4
407
|
|
13.
28 + 381 =
4
3
409
2
|
14.
392 + 388 =
3
2
780
4
|
15.
476 + 113 =
4
3
589
2
|
16.
231 – 72 =
159
4
2
3
|
|
17.
287 – 18 =
269
4
2
3
|
18.
812 + 168 =
2
980
3
4
|
19.
79 – 27 =
4
52
3
2
|
20.
129 + 131 =
3
2
4
260
|
|
1.
449 – 229 =
2
3
4
220
|
2.
678 – 668 =
2
10
1
3
|
3.
882 – 427 =
455
2
4
3
|
4.
877 – 260 =
2
4
3
617
|
|
5.
469 – 394 =
75
3
4
2
|
6.
454 – 221 =
233
4
2
3
|
7.
51 + 43 =
3
2
4
94
|
8.
180 + 412 =
592
2
3
4
|
|
9.
844 + 102 =
3
2
946
4
|
10.
362 + 425 =
787
4
2
3
|
11.
869 + 79 =
4
2
948
3
|
12.
837 – 430 =
2
3
4
407
|
|
13.
28 + 381 =
4
3
409
2
|
14.
392 + 388 =
3
2
780
4
|
15.
476 + 113 =
4
3
589
2
|
16.
231 – 72 =
159
4
2
3
|
|
17.
287 – 18 =
269
4
2
3
|
18.
812 + 168 =
2
980
3
4
|
19.
79 – 27 =
4
52
3
2
|
20.
129 + 131 =
3
2
4
260
|