|
1.
378 + 141 =
519
2
|
2.
349 + 240 =
2
589
|
3.
64 – 1 =
63
2
|
4.
602 + 277 =
879
2
|
|
5.
531 – 491 =
40
2
|
6.
21 – 0 =
21
2
|
7.
917 – 448 =
2
469
|
8.
572 + 289 =
2
861
|
|
9.
664 + 293 =
957
2
|
10.
474 + 283 =
757
2
|
11.
225 + 206 =
431
2
|
12.
252 – 203 =
49
2
|
|
13.
133 – 131 =
1
2
|
14.
431 + 386 =
2
817
|
15.
298 + 147 =
2
445
|
16.
833 + 77 =
2
910
|
|
17.
408 + 499 =
2
907
|
18.
108 – 33 =
75
2
|
19.
721 – 524 =
2
197
|
20.
318 + 424 =
2
742
|
|
1.
378 + 141 =
519
2
|
2.
349 + 240 =
2
589
|
3.
64 – 1 =
63
2
|
4.
602 + 277 =
879
2
|
|
5.
531 – 491 =
40
2
|
6.
21 – 0 =
21
2
|
7.
917 – 448 =
2
469
|
8.
572 + 289 =
2
861
|
|
9.
664 + 293 =
957
2
|
10.
474 + 283 =
757
2
|
11.
225 + 206 =
431
2
|
12.
252 – 203 =
49
2
|
|
13.
133 – 131 =
1
2
|
14.
431 + 386 =
2
817
|
15.
298 + 147 =
2
445
|
16.
833 + 77 =
2
910
|
|
17.
408 + 499 =
2
907
|
18.
108 – 33 =
75
2
|
19.
721 – 524 =
2
197
|
20.
318 + 424 =
2
742
|