1.
495 + 19 =
3
514
4
2
|
2.
915 + 38 =
3
2
953
4
|
3.
842 + 17 =
2
859
4
3
|
4.
517 + 151 =
3
2
668
4
|
5.
586 – 243 =
2
3
343
4
|
6.
317 – 61 =
2
3
4
256
|
7.
793 – 272 =
521
4
2
3
|
8.
365 + 254 =
3
4
2
619
|
9.
436 – 234 =
202
2
3
4
|
10.
106 – 18 =
4
88
3
2
|
11.
933 – 738 =
4
2
195
3
|
12.
460 + 350 =
810
4
3
2
|
13.
172 – 56 =
2
116
3
4
|
14.
642 – 8 =
3
4
2
634
|
15.
936 – 471 =
4
465
2
3
|
16.
251 – 117 =
2
3
134
4
|
17.
439 – 79 =
4
360
3
2
|
18.
9 – 8 =
2
4
3
1
|
19.
515 + 271 =
786
2
3
4
|
20.
182 + 567 =
3
749
4
2
|
1.
495 + 19 =
3
514
4
2
|
2.
915 + 38 =
3
2
953
4
|
3.
842 + 17 =
2
859
4
3
|
4.
517 + 151 =
3
2
668
4
|
5.
586 – 243 =
2
3
343
4
|
6.
317 – 61 =
2
3
4
256
|
7.
793 – 272 =
521
4
2
3
|
8.
365 + 254 =
3
4
2
619
|
9.
436 – 234 =
202
2
3
4
|
10.
106 – 18 =
4
88
3
2
|
11.
933 – 738 =
4
2
195
3
|
12.
460 + 350 =
810
4
3
2
|
13.
172 – 56 =
2
116
3
4
|
14.
642 – 8 =
3
4
2
634
|
15.
936 – 471 =
4
465
2
3
|
16.
251 – 117 =
2
3
134
4
|
17.
439 – 79 =
4
360
3
2
|
18.
9 – 8 =
2
4
3
1
|
19.
515 + 271 =
786
2
3
4
|
20.
182 + 567 =
3
749
4
2
|