|
1.
143 – 91 =
4
52
2
3
|
2.
47 + 519 =
4
2
3
566
|
3.
400 – 261 =
2
3
4
139
|
4.
273 + 253 =
2
4
526
3
|
|
5.
111 – 31 =
3
80
4
2
|
6.
227 – 211 =
3
2
4
16
|
7.
40 – 4 =
3
36
4
2
|
8.
520 – 318 =
3
4
2
202
|
|
9.
489 + 69 =
3
2
558
4
|
10.
374 + 521 =
3
895
4
2
|
11.
19 – 3 =
2
3
16
4
|
12.
202 + 30 =
3
232
2
4
|
|
13.
589 – 38 =
3
4
2
551
|
14.
793 + 67 =
2
3
860
4
|
15.
205 – 53 =
3
152
2
4
|
16.
350 + 638 =
988
2
4
3
|
|
17.
999 – 638 =
3
4
2
361
|
18.
671 + 50 =
721
3
2
4
|
19.
148 + 378 =
3
4
2
526
|
20.
405 + 31 =
436
4
2
3
|
|
1.
143 – 91 =
4
52
2
3
|
2.
47 + 519 =
4
2
3
566
|
3.
400 – 261 =
2
3
4
139
|
4.
273 + 253 =
2
4
526
3
|
|
5.
111 – 31 =
3
80
4
2
|
6.
227 – 211 =
3
2
4
16
|
7.
40 – 4 =
3
36
4
2
|
8.
520 – 318 =
3
4
2
202
|
|
9.
489 + 69 =
3
2
558
4
|
10.
374 + 521 =
3
895
4
2
|
11.
19 – 3 =
2
3
16
4
|
12.
202 + 30 =
3
232
2
4
|
|
13.
589 – 38 =
3
4
2
551
|
14.
793 + 67 =
2
3
860
4
|
15.
205 – 53 =
3
152
2
4
|
16.
350 + 638 =
988
2
4
3
|
|
17.
999 – 638 =
3
4
2
361
|
18.
671 + 50 =
721
3
2
4
|
19.
148 + 378 =
3
4
2
526
|
20.
405 + 31 =
436
4
2
3
|