|
1.
641 + 40 =
3
681
2
4
|
2.
237 + 100 =
3
337
2
4
|
3.
823 + 100 =
923
2
3
4
|
4.
338 + 40 =
378
4
3
2
|
|
5.
356 + 70 =
2
3
426
4
|
6.
595 + 50 =
645
2
4
3
|
7.
306 – 60 =
2
3
4
246
|
8.
556 – 50 =
2
4
506
3
|
|
9.
293 – 30 =
263
4
3
2
|
10.
703 – 60 =
3
2
4
643
|
11.
763 – 80 =
2
4
3
683
|
12.
230 – 30 =
2
200
3
4
|
|
13.
1000 + 100 =
2
4
1100
3
|
14.
564 + 100 =
2
664
4
3
|
15.
177 + 20 =
197
2
4
3
|
16.
748 – 40 =
3
708
2
4
|
|
17.
144 – 60 =
2
3
84
4
|
18.
174 + 70 =
4
2
244
3
|
19.
142 – 80 =
2
3
62
4
|
20.
207 + 80 =
4
3
2
287
|
|
1.
641 + 40 =
3
681
2
4
|
2.
237 + 100 =
3
337
2
4
|
3.
823 + 100 =
923
2
3
4
|
4.
338 + 40 =
378
4
3
2
|
|
5.
356 + 70 =
2
3
426
4
|
6.
595 + 50 =
645
2
4
3
|
7.
306 – 60 =
2
3
4
246
|
8.
556 – 50 =
2
4
506
3
|
|
9.
293 – 30 =
263
4
3
2
|
10.
703 – 60 =
3
2
4
643
|
11.
763 – 80 =
2
4
3
683
|
12.
230 – 30 =
2
200
3
4
|
|
13.
1000 + 100 =
2
4
1100
3
|
14.
564 + 100 =
2
664
4
3
|
15.
177 + 20 =
197
2
4
3
|
16.
748 – 40 =
3
708
2
4
|
|
17.
144 – 60 =
2
3
84
4
|
18.
174 + 70 =
4
2
244
3
|
19.
142 – 80 =
2
3
62
4
|
20.
207 + 80 =
4
3
2
287
|