|
1.
835 + 30 =
3
2
4
865
|
2.
820 – 100 =
2
3
4
720
|
3.
314 + 80 =
394
2
3
4
|
4.
899 – 40 =
859
2
3
4
|
|
5.
340 – 30 =
2
310
4
3
|
6.
281 + 10 =
3
4
291
2
|
7.
399 – 70 =
329
3
4
2
|
8.
492 + 20 =
3
4
2
512
|
|
9.
352 + 10 =
2
3
362
4
|
10.
388 – 80 =
3
308
4
2
|
11.
186 – 100 =
2
86
3
4
|
12.
604 – 20 =
4
3
584
2
|
|
13.
454 + 70 =
524
3
4
2
|
14.
150 – 40 =
3
2
4
110
|
15.
884 + 70 =
4
3
2
954
|
16.
392 – 70 =
2
4
3
322
|
|
17.
603 + 50 =
653
3
4
2
|
18.
406 – 10 =
4
3
2
396
|
19.
255 + 60 =
315
2
3
4
|
20.
424 + 60 =
2
484
3
4
|
|
1.
835 + 30 =
3
2
4
865
|
2.
820 – 100 =
2
3
4
720
|
3.
314 + 80 =
394
2
3
4
|
4.
899 – 40 =
859
2
3
4
|
|
5.
340 – 30 =
2
310
4
3
|
6.
281 + 10 =
3
4
291
2
|
7.
399 – 70 =
329
3
4
2
|
8.
492 + 20 =
3
4
2
512
|
|
9.
352 + 10 =
2
3
362
4
|
10.
388 – 80 =
3
308
4
2
|
11.
186 – 100 =
2
86
3
4
|
12.
604 – 20 =
4
3
584
2
|
|
13.
454 + 70 =
524
3
4
2
|
14.
150 – 40 =
3
2
4
110
|
15.
884 + 70 =
4
3
2
954
|
16.
392 – 70 =
2
4
3
322
|
|
17.
603 + 50 =
653
3
4
2
|
18.
406 – 10 =
4
3
2
396
|
19.
255 + 60 =
315
2
3
4
|
20.
424 + 60 =
2
484
3
4
|