|
1.
100 + 899 =
999
2
|
2.
675 – 247 =
428
2
|
3.
714 – 659 =
2
55
|
4.
306 + 17 =
323
2
|
|
5.
893 – 749 =
144
2
|
6.
497 – 241 =
2
256
|
7.
822 – 546 =
276
2
|
8.
30 – 24 =
6
1
|
|
9.
249 – 190 =
2
59
|
10.
267 – 96 =
171
2
|
11.
114 + 438 =
552
2
|
12.
581 + 105 =
686
2
|
|
13.
665 – 82 =
583
2
|
14.
768 + 79 =
2
847
|
15.
499 – 6 =
2
493
|
16.
691 – 496 =
195
2
|
|
17.
599 – 343 =
2
256
|
18.
399 + 509 =
908
2
|
19.
967 + 5 =
2
972
|
20.
422 – 156 =
266
2
|
|
1.
100 + 899 =
999
2
|
2.
675 – 247 =
428
2
|
3.
714 – 659 =
2
55
|
4.
306 + 17 =
323
2
|
|
5.
893 – 749 =
144
2
|
6.
497 – 241 =
2
256
|
7.
822 – 546 =
276
2
|
8.
30 – 24 =
6
1
|
|
9.
249 – 190 =
2
59
|
10.
267 – 96 =
171
2
|
11.
114 + 438 =
552
2
|
12.
581 + 105 =
686
2
|
|
13.
665 – 82 =
583
2
|
14.
768 + 79 =
2
847
|
15.
499 – 6 =
2
493
|
16.
691 – 496 =
195
2
|
|
17.
599 – 343 =
2
256
|
18.
399 + 509 =
908
2
|
19.
967 + 5 =
2
972
|
20.
422 – 156 =
266
2
|