|
1.
531 + 10 =
3
2
541
4
|
2.
129 + 70 =
4
3
2
199
|
3.
620 + 40 =
4
3
660
2
|
4.
717 – 80 =
3
2
637
4
|
|
5.
584 + 90 =
3
4
2
674
|
6.
440 – 40 =
400
2
3
4
|
7.
547 – 10 =
4
3
537
2
|
8.
150 – 20 =
3
130
2
4
|
|
9.
958 + 10 =
4
968
2
3
|
10.
624 + 30 =
3
654
2
4
|
11.
677 – 70 =
3
2
4
607
|
12.
318 – 60 =
4
2
3
258
|
|
13.
212 + 100 =
312
3
2
4
|
14.
770 – 40 =
4
730
3
2
|
15.
303 + 20 =
3
323
4
2
|
16.
351 – 30 =
4
3
2
321
|
|
17.
289 + 20 =
3
309
4
2
|
18.
822 + 90 =
912
3
2
4
|
19.
584 – 70 =
4
3
514
2
|
20.
405 + 50 =
455
2
4
3
|
|
1.
531 + 10 =
3
2
541
4
|
2.
129 + 70 =
4
3
2
199
|
3.
620 + 40 =
4
3
660
2
|
4.
717 – 80 =
3
2
637
4
|
|
5.
584 + 90 =
3
4
2
674
|
6.
440 – 40 =
400
2
3
4
|
7.
547 – 10 =
4
3
537
2
|
8.
150 – 20 =
3
130
2
4
|
|
9.
958 + 10 =
4
968
2
3
|
10.
624 + 30 =
3
654
2
4
|
11.
677 – 70 =
3
2
4
607
|
12.
318 – 60 =
4
2
3
258
|
|
13.
212 + 100 =
312
3
2
4
|
14.
770 – 40 =
4
730
3
2
|
15.
303 + 20 =
3
323
4
2
|
16.
351 – 30 =
4
3
2
321
|
|
17.
289 + 20 =
3
309
4
2
|
18.
822 + 90 =
912
3
2
4
|
19.
584 – 70 =
4
3
514
2
|
20.
405 + 50 =
455
2
4
3
|