|
1.
663 + 211 =
2
874
|
2.
425 – 213 =
2
212
|
3.
223 – 221 =
1
2
|
4.
266 – 44 =
2
222
|
|
5.
171 + 661 =
2
832
|
6.
559 – 14 =
2
545
|
7.
824 – 781 =
2
43
|
8.
614 + 146 =
760
2
|
|
9.
208 – 52 =
156
2
|
10.
192 – 43 =
149
2
|
11.
346 – 148 =
198
2
|
12.
330 + 571 =
901
2
|
|
13.
471 – 162 =
309
2
|
14.
415 + 135 =
2
550
|
15.
272 + 311 =
583
2
|
16.
445 + 507 =
2
952
|
|
17.
911 + 70 =
981
2
|
18.
410 + 336 =
746
2
|
19.
492 – 104 =
2
388
|
20.
281 – 94 =
2
187
|
|
1.
663 + 211 =
2
874
|
2.
425 – 213 =
2
212
|
3.
223 – 221 =
1
2
|
4.
266 – 44 =
2
222
|
|
5.
171 + 661 =
2
832
|
6.
559 – 14 =
2
545
|
7.
824 – 781 =
2
43
|
8.
614 + 146 =
760
2
|
|
9.
208 – 52 =
156
2
|
10.
192 – 43 =
149
2
|
11.
346 – 148 =
198
2
|
12.
330 + 571 =
901
2
|
|
13.
471 – 162 =
309
2
|
14.
415 + 135 =
2
550
|
15.
272 + 311 =
583
2
|
16.
445 + 507 =
2
952
|
|
17.
911 + 70 =
981
2
|
18.
410 + 336 =
746
2
|
19.
492 – 104 =
2
388
|
20.
281 – 94 =
2
187
|