1.
902 – 475 =
4
427
3
2
|
2.
493 – 200 =
4
3
293
2
|
3.
4 + 927 =
3
2
931
4
|
4.
989 + 11 =
3
4
1000
2
|
5.
401 – 391 =
10
2
3
1
|
6.
543 + 279 =
4
3
822
2
|
7.
406 – 213 =
2
3
4
193
|
8.
732 – 648 =
2
84
3
4
|
9.
964 + 4 =
3
968
2
4
|
10.
533 – 342 =
191
3
4
2
|
11.
122 + 743 =
4
3
865
2
|
12.
892 + 75 =
4
967
2
3
|
13.
870 – 357 =
4
3
2
513
|
14.
729 + 191 =
2
4
3
920
|
15.
350 + 190 =
540
3
2
4
|
16.
459 – 397 =
3
62
4
2
|
17.
796 + 173 =
4
969
2
3
|
18.
563 – 474 =
2
3
4
89
|
19.
535 + 8 =
543
3
2
4
|
20.
135 + 301 =
3
436
2
4
|
1.
902 – 475 =
4
427
3
2
|
2.
493 – 200 =
4
3
293
2
|
3.
4 + 927 =
3
2
931
4
|
4.
989 + 11 =
3
4
1000
2
|
5.
401 – 391 =
10
2
3
1
|
6.
543 + 279 =
4
3
822
2
|
7.
406 – 213 =
2
3
4
193
|
8.
732 – 648 =
2
84
3
4
|
9.
964 + 4 =
3
968
2
4
|
10.
533 – 342 =
191
3
4
2
|
11.
122 + 743 =
4
3
865
2
|
12.
892 + 75 =
4
967
2
3
|
13.
870 – 357 =
4
3
2
513
|
14.
729 + 191 =
2
4
3
920
|
15.
350 + 190 =
540
3
2
4
|
16.
459 – 397 =
3
62
4
2
|
17.
796 + 173 =
4
969
2
3
|
18.
563 – 474 =
2
3
4
89
|
19.
535 + 8 =
543
3
2
4
|
20.
135 + 301 =
3
436
2
4
|