|
1.
561 – 300 =
261
2
|
2.
99 – 62 =
37
2
|
3.
84 – 23 =
61
2
|
4.
946 + 16 =
2
962
|
|
5.
211 + 314 =
2
525
|
6.
2 + 978 =
980
2
|
7.
280 + 146 =
2
426
|
8.
913 – 615 =
298
2
|
|
9.
458 – 221 =
237
2
|
10.
939 – 280 =
2
659
|
11.
947 + 40 =
987
2
|
12.
185 + 174 =
2
359
|
|
13.
290 + 277 =
567
2
|
14.
953 + 1 =
954
2
|
15.
336 – 97 =
239
2
|
16.
169 – 84 =
2
85
|
|
17.
870 + 84 =
2
954
|
18.
676 – 440 =
2
236
|
19.
166 + 477 =
2
643
|
20.
37 – 21 =
16
2
|
|
1.
561 – 300 =
261
2
|
2.
99 – 62 =
37
2
|
3.
84 – 23 =
61
2
|
4.
946 + 16 =
2
962
|
|
5.
211 + 314 =
2
525
|
6.
2 + 978 =
980
2
|
7.
280 + 146 =
2
426
|
8.
913 – 615 =
298
2
|
|
9.
458 – 221 =
237
2
|
10.
939 – 280 =
2
659
|
11.
947 + 40 =
987
2
|
12.
185 + 174 =
2
359
|
|
13.
290 + 277 =
567
2
|
14.
953 + 1 =
954
2
|
15.
336 – 97 =
239
2
|
16.
169 – 84 =
2
85
|
|
17.
870 + 84 =
2
954
|
18.
676 – 440 =
2
236
|
19.
166 + 477 =
2
643
|
20.
37 – 21 =
16
2
|