|
1.
366 – 321 =
3
45
2
4
|
2.
621 + 365 =
3
4
986
2
|
3.
228 – 172 =
2
56
3
4
|
4.
275 + 639 =
3
4
914
2
|
|
5.
403 + 497 =
900
4
3
2
|
6.
640 – 269 =
371
4
2
3
|
7.
289 + 473 =
762
2
3
4
|
8.
772 + 87 =
2
4
859
3
|
|
9.
525 + 152 =
4
2
3
677
|
10.
523 + 141 =
3
2
664
4
|
11.
853 – 660 =
193
4
2
3
|
12.
270 – 34 =
236
2
3
4
|
|
13.
640 + 62 =
2
3
702
4
|
14.
242 – 74 =
4
168
3
2
|
15.
660 – 372 =
288
2
4
3
|
16.
565 – 146 =
4
419
2
3
|
|
17.
382 – 280 =
3
4
2
102
|
18.
169 – 18 =
2
151
3
4
|
19.
831 – 783 =
3
48
4
2
|
20.
919 – 820 =
2
4
3
99
|
|
1.
366 – 321 =
3
45
2
4
|
2.
621 + 365 =
3
4
986
2
|
3.
228 – 172 =
2
56
3
4
|
4.
275 + 639 =
3
4
914
2
|
|
5.
403 + 497 =
900
4
3
2
|
6.
640 – 269 =
371
4
2
3
|
7.
289 + 473 =
762
2
3
4
|
8.
772 + 87 =
2
4
859
3
|
|
9.
525 + 152 =
4
2
3
677
|
10.
523 + 141 =
3
2
664
4
|
11.
853 – 660 =
193
4
2
3
|
12.
270 – 34 =
236
2
3
4
|
|
13.
640 + 62 =
2
3
702
4
|
14.
242 – 74 =
4
168
3
2
|
15.
660 – 372 =
288
2
4
3
|
16.
565 – 146 =
4
419
2
3
|
|
17.
382 – 280 =
3
4
2
102
|
18.
169 – 18 =
2
151
3
4
|
19.
831 – 783 =
3
48
4
2
|
20.
919 – 820 =
2
4
3
99
|