1.
450 + 545 =
995
2
|
2.
464 – 313 =
151
2
|
3.
526 + 309 =
2
835
|
4.
11 + 812 =
2
823
|
5.
15 – 1 =
14
1
|
6.
678 + 247 =
2
925
|
7.
829 + 105 =
2
934
|
8.
959 – 235 =
724
2
|
9.
250 – 187 =
2
63
|
10.
250 – 35 =
2
215
|
11.
319 + 395 =
714
2
|
12.
919 – 728 =
2
191
|
13.
607 + 61 =
2
668
|
14.
952 – 206 =
746
2
|
15.
249 – 143 =
106
2
|
16.
570 – 220 =
2
350
|
17.
466 – 177 =
289
2
|
18.
386 – 302 =
2
84
|
19.
839 – 97 =
2
742
|
20.
672 – 116 =
556
2
|
1.
450 + 545 =
995
2
|
2.
464 – 313 =
151
2
|
3.
526 + 309 =
2
835
|
4.
11 + 812 =
2
823
|
5.
15 – 1 =
14
1
|
6.
678 + 247 =
2
925
|
7.
829 + 105 =
2
934
|
8.
959 – 235 =
724
2
|
9.
250 – 187 =
2
63
|
10.
250 – 35 =
2
215
|
11.
319 + 395 =
714
2
|
12.
919 – 728 =
2
191
|
13.
607 + 61 =
2
668
|
14.
952 – 206 =
746
2
|
15.
249 – 143 =
106
2
|
16.
570 – 220 =
2
350
|
17.
466 – 177 =
289
2
|
18.
386 – 302 =
2
84
|
19.
839 – 97 =
2
742
|
20.
672 – 116 =
556
2
|