1.
74 – 58 =
2
16
|
2.
638 – 414 =
224
2
|
3.
961 – 479 =
482
2
|
4.
107 + 516 =
623
2
|
5.
924 – 179 =
2
745
|
6.
952 + 19 =
2
971
|
7.
161 + 743 =
2
904
|
8.
240 + 629 =
869
2
|
9.
870 – 581 =
2
289
|
10.
439 + 431 =
870
2
|
11.
932 + 37 =
969
2
|
12.
696 + 153 =
849
2
|
13.
107 – 60 =
2
47
|
14.
408 – 166 =
242
2
|
15.
434 – 139 =
2
295
|
16.
673 + 97 =
770
2
|
17.
608 + 63 =
2
671
|
18.
477 + 402 =
879
2
|
19.
399 + 394 =
793
2
|
20.
359 – 1 =
358
2
|
1.
74 – 58 =
2
16
|
2.
638 – 414 =
224
2
|
3.
961 – 479 =
482
2
|
4.
107 + 516 =
623
2
|
5.
924 – 179 =
2
745
|
6.
952 + 19 =
2
971
|
7.
161 + 743 =
2
904
|
8.
240 + 629 =
869
2
|
9.
870 – 581 =
2
289
|
10.
439 + 431 =
870
2
|
11.
932 + 37 =
969
2
|
12.
696 + 153 =
849
2
|
13.
107 – 60 =
2
47
|
14.
408 – 166 =
242
2
|
15.
434 – 139 =
2
295
|
16.
673 + 97 =
770
2
|
17.
608 + 63 =
2
671
|
18.
477 + 402 =
879
2
|
19.
399 + 394 =
793
2
|
20.
359 – 1 =
358
2
|