1.
579 – 244 =
3
2
335
4
|
2.
230 – 107 =
3
2
4
123
|
3.
17 + 7 =
2
4
24
3
|
4.
597 + 30 =
627
4
3
2
|
5.
748 + 69 =
817
2
3
4
|
6.
761 + 199 =
960
2
3
4
|
7.
201 – 9 =
3
2
192
4
|
8.
289 + 125 =
4
3
414
2
|
9.
94 + 711 =
3
2
4
805
|
10.
655 – 622 =
33
4
3
2
|
11.
250 – 12 =
2
4
3
238
|
12.
276 + 709 =
985
2
4
3
|
13.
428 – 379 =
2
3
4
49
|
14.
284 + 195 =
3
2
479
4
|
15.
687 + 298 =
3
985
4
2
|
16.
812 – 112 =
2
700
3
4
|
17.
46 + 378 =
2
3
4
424
|
18.
32 + 474 =
3
506
4
2
|
19.
712 + 178 =
3
2
890
4
|
20.
15 – 0 =
1
2
15
3
|
1.
579 – 244 =
3
2
335
4
|
2.
230 – 107 =
3
2
4
123
|
3.
17 + 7 =
2
4
24
3
|
4.
597 + 30 =
627
4
3
2
|
5.
748 + 69 =
817
2
3
4
|
6.
761 + 199 =
960
2
3
4
|
7.
201 – 9 =
3
2
192
4
|
8.
289 + 125 =
4
3
414
2
|
9.
94 + 711 =
3
2
4
805
|
10.
655 – 622 =
33
4
3
2
|
11.
250 – 12 =
2
4
3
238
|
12.
276 + 709 =
985
2
4
3
|
13.
428 – 379 =
2
3
4
49
|
14.
284 + 195 =
3
2
479
4
|
15.
687 + 298 =
3
985
4
2
|
16.
812 – 112 =
2
700
3
4
|
17.
46 + 378 =
2
3
4
424
|
18.
32 + 474 =
3
506
4
2
|
19.
712 + 178 =
3
2
890
4
|
20.
15 – 0 =
1
2
15
3
|