|
1.
576 – 545 =
4
2
3
31
|
2.
830 – 754 =
76
2
3
4
|
3.
331 – 165 =
4
3
166
2
|
4.
370 – 310 =
60
2
3
4
|
|
5.
483 + 441 =
2
3
4
924
|
6.
917 + 12 =
4
2
929
3
|
7.
758 + 134 =
892
4
3
2
|
8.
820 – 550 =
2
3
4
270
|
|
9.
395 – 348 =
2
3
4
47
|
10.
849 – 773 =
4
2
3
76
|
11.
660 – 4 =
3
4
656
2
|
12.
639 – 472 =
4
3
2
167
|
|
13.
461 – 192 =
2
269
4
3
|
14.
991 + 3 =
4
994
3
2
|
15.
409 – 274 =
2
135
3
4
|
16.
554 + 419 =
973
4
3
2
|
|
17.
958 + 4 =
4
2
3
962
|
18.
377 + 484 =
4
3
2
861
|
19.
644 – 75 =
3
4
569
2
|
20.
984 + 7 =
2
991
4
3
|
|
1.
576 – 545 =
4
2
3
31
|
2.
830 – 754 =
76
2
3
4
|
3.
331 – 165 =
4
3
166
2
|
4.
370 – 310 =
60
2
3
4
|
|
5.
483 + 441 =
2
3
4
924
|
6.
917 + 12 =
4
2
929
3
|
7.
758 + 134 =
892
4
3
2
|
8.
820 – 550 =
2
3
4
270
|
|
9.
395 – 348 =
2
3
4
47
|
10.
849 – 773 =
4
2
3
76
|
11.
660 – 4 =
3
4
656
2
|
12.
639 – 472 =
4
3
2
167
|
|
13.
461 – 192 =
2
269
4
3
|
14.
991 + 3 =
4
994
3
2
|
15.
409 – 274 =
2
135
3
4
|
16.
554 + 419 =
973
4
3
2
|
|
17.
958 + 4 =
4
2
3
962
|
18.
377 + 484 =
4
3
2
861
|
19.
644 – 75 =
3
4
569
2
|
20.
984 + 7 =
2
991
4
3
|