|
1.
642 – 314 =
2
328
|
2.
630 + 85 =
715
2
|
3.
69 – 42 =
2
27
|
4.
852 – 225 =
627
2
|
|
5.
152 – 114 =
38
2
|
6.
287 – 186 =
2
101
|
7.
912 + 8 =
920
2
|
8.
355 – 269 =
2
86
|
|
9.
988 + 6 =
2
994
|
10.
124 + 618 =
742
2
|
11.
77 + 598 =
2
675
|
12.
777 – 23 =
754
2
|
|
13.
302 – 45 =
257
2
|
14.
604 + 248 =
852
2
|
15.
373 + 91 =
464
2
|
16.
421 – 34 =
2
387
|
|
17.
191 – 165 =
26
2
|
18.
142 – 20 =
2
122
|
19.
688 – 354 =
334
2
|
20.
454 – 83 =
2
371
|
|
1.
642 – 314 =
2
328
|
2.
630 + 85 =
715
2
|
3.
69 – 42 =
2
27
|
4.
852 – 225 =
627
2
|
|
5.
152 – 114 =
38
2
|
6.
287 – 186 =
2
101
|
7.
912 + 8 =
920
2
|
8.
355 – 269 =
2
86
|
|
9.
988 + 6 =
2
994
|
10.
124 + 618 =
742
2
|
11.
77 + 598 =
2
675
|
12.
777 – 23 =
754
2
|
|
13.
302 – 45 =
257
2
|
14.
604 + 248 =
852
2
|
15.
373 + 91 =
464
2
|
16.
421 – 34 =
2
387
|
|
17.
191 – 165 =
26
2
|
18.
142 – 20 =
2
122
|
19.
688 – 354 =
334
2
|
20.
454 – 83 =
2
371
|