|
1.
30 – 19 =
11
1
|
2.
937 + 27 =
2
964
|
3.
997 + 1 =
2
998
|
4.
108 + 86 =
2
194
|
|
5.
117 + 673 =
790
2
|
6.
997 – 813 =
2
184
|
7.
258 – 243 =
15
1
|
8.
407 – 152 =
255
2
|
|
9.
891 – 408 =
2
483
|
10.
720 + 183 =
903
2
|
11.
550 – 482 =
68
2
|
12.
946 – 147 =
799
2
|
|
13.
230 – 221 =
9
1
|
14.
380 + 485 =
865
2
|
15.
743 + 174 =
2
917
|
16.
404 + 15 =
2
419
|
|
17.
295 + 344 =
639
2
|
18.
699 – 368 =
2
331
|
19.
707 – 518 =
2
189
|
20.
559 – 480 =
79
2
|
|
1.
30 – 19 =
11
1
|
2.
937 + 27 =
2
964
|
3.
997 + 1 =
2
998
|
4.
108 + 86 =
2
194
|
|
5.
117 + 673 =
790
2
|
6.
997 – 813 =
2
184
|
7.
258 – 243 =
15
1
|
8.
407 – 152 =
255
2
|
|
9.
891 – 408 =
2
483
|
10.
720 + 183 =
903
2
|
11.
550 – 482 =
68
2
|
12.
946 – 147 =
799
2
|
|
13.
230 – 221 =
9
1
|
14.
380 + 485 =
865
2
|
15.
743 + 174 =
2
917
|
16.
404 + 15 =
2
419
|
|
17.
295 + 344 =
639
2
|
18.
699 – 368 =
2
331
|
19.
707 – 518 =
2
189
|
20.
559 – 480 =
79
2
|