|
1.
884 – 10 =
874
2
|
2.
296 + 90 =
386
2
|
3.
451 – 70 =
381
2
|
4.
455 – 10 =
445
2
|
|
5.
972 + 10 =
2
982
|
6.
536 + 90 =
626
2
|
7.
391 + 20 =
411
2
|
8.
909 + 10 =
919
2
|
|
9.
568 + 100 =
668
2
|
10.
559 – 50 =
2
509
|
11.
124 + 100 =
224
2
|
12.
664 – 40 =
624
2
|
|
13.
115 – 30 =
85
2
|
14.
352 – 20 =
2
332
|
15.
651 + 100 =
751
2
|
16.
592 – 100 =
492
2
|
|
17.
624 – 90 =
2
534
|
18.
177 + 80 =
257
2
|
19.
253 + 80 =
2
333
|
20.
314 – 50 =
2
264
|
|
1.
884 – 10 =
874
2
|
2.
296 + 90 =
386
2
|
3.
451 – 70 =
381
2
|
4.
455 – 10 =
445
2
|
|
5.
972 + 10 =
2
982
|
6.
536 + 90 =
626
2
|
7.
391 + 20 =
411
2
|
8.
909 + 10 =
919
2
|
|
9.
568 + 100 =
668
2
|
10.
559 – 50 =
2
509
|
11.
124 + 100 =
224
2
|
12.
664 – 40 =
624
2
|
|
13.
115 – 30 =
85
2
|
14.
352 – 20 =
2
332
|
15.
651 + 100 =
751
2
|
16.
592 – 100 =
492
2
|
|
17.
624 – 90 =
2
534
|
18.
177 + 80 =
257
2
|
19.
253 + 80 =
2
333
|
20.
314 – 50 =
2
264
|