1.
588 + 29 =
617
3
4
2
|
2.
730 + 208 =
2
3
4
938
|
3.
619 – 75 =
4
2
3
544
|
4.
477 – 451 =
4
2
26
3
|
5.
740 + 39 =
779
2
4
3
|
6.
67 + 32 =
3
2
4
99
|
7.
706 + 17 =
723
3
4
2
|
8.
919 + 5 =
4
3
2
924
|
9.
268 + 56 =
2
324
3
4
|
10.
997 – 811 =
186
2
4
3
|
11.
515 – 345 =
4
170
2
3
|
12.
956 + 35 =
4
991
3
2
|
13.
530 + 69 =
599
3
4
2
|
14.
360 + 572 =
3
2
4
932
|
15.
71 – 34 =
2
4
37
3
|
16.
54 + 906 =
4
2
3
960
|
17.
170 + 788 =
3
958
2
4
|
18.
176 – 40 =
136
4
2
3
|
19.
76 – 8 =
4
3
2
68
|
20.
477 – 129 =
4
348
2
3
|
1.
588 + 29 =
617
3
4
2
|
2.
730 + 208 =
2
3
4
938
|
3.
619 – 75 =
4
2
3
544
|
4.
477 – 451 =
4
2
26
3
|
5.
740 + 39 =
779
2
4
3
|
6.
67 + 32 =
3
2
4
99
|
7.
706 + 17 =
723
3
4
2
|
8.
919 + 5 =
4
3
2
924
|
9.
268 + 56 =
2
324
3
4
|
10.
997 – 811 =
186
2
4
3
|
11.
515 – 345 =
4
170
2
3
|
12.
956 + 35 =
4
991
3
2
|
13.
530 + 69 =
599
3
4
2
|
14.
360 + 572 =
3
2
4
932
|
15.
71 – 34 =
2
4
37
3
|
16.
54 + 906 =
4
2
3
960
|
17.
170 + 788 =
3
958
2
4
|
18.
176 – 40 =
136
4
2
3
|
19.
76 – 8 =
4
3
2
68
|
20.
477 – 129 =
4
348
2
3
|