|
1.
689 – 490 =
3
199
2
4
|
2.
593 – 548 =
3
45
2
4
|
3.
700 – 165 =
4
2
3
535
|
4.
666 + 237 =
3
2
903
4
|
|
5.
849 + 88 =
3
937
2
4
|
6.
421 + 300 =
721
2
3
4
|
7.
257 – 215 =
42
3
4
2
|
8.
696 – 520 =
4
176
3
2
|
|
9.
477 + 440 =
917
4
2
3
|
10.
86 – 77 =
1
2
3
9
|
11.
755 – 199 =
556
3
4
2
|
12.
686 + 135 =
3
4
821
2
|
|
13.
445 + 229 =
4
674
2
3
|
14.
105 – 52 =
4
53
3
2
|
15.
338 – 230 =
2
4
3
108
|
16.
369 + 63 =
4
2
3
432
|
|
17.
92 – 9 =
3
83
2
4
|
18.
674 – 445 =
2
4
229
3
|
19.
304 + 64 =
2
4
368
3
|
20.
603 – 262 =
3
2
4
341
|
|
1.
689 – 490 =
3
199
2
4
|
2.
593 – 548 =
3
45
2
4
|
3.
700 – 165 =
4
2
3
535
|
4.
666 + 237 =
3
2
903
4
|
|
5.
849 + 88 =
3
937
2
4
|
6.
421 + 300 =
721
2
3
4
|
7.
257 – 215 =
42
3
4
2
|
8.
696 – 520 =
4
176
3
2
|
|
9.
477 + 440 =
917
4
2
3
|
10.
86 – 77 =
1
2
3
9
|
11.
755 – 199 =
556
3
4
2
|
12.
686 + 135 =
3
4
821
2
|
|
13.
445 + 229 =
4
674
2
3
|
14.
105 – 52 =
4
53
3
2
|
15.
338 – 230 =
2
4
3
108
|
16.
369 + 63 =
4
2
3
432
|
|
17.
92 – 9 =
3
83
2
4
|
18.
674 – 445 =
2
4
229
3
|
19.
304 + 64 =
2
4
368
3
|
20.
603 – 262 =
3
2
4
341
|