|
1.
548 – 40 =
2
508
|
2.
631 – 10 =
2
621
|
3.
384 – 10 =
2
374
|
4.
504 – 70 =
434
2
|
|
5.
517 – 30 =
2
487
|
6.
800 + 30 =
830
2
|
7.
608 + 10 =
2
618
|
8.
650 + 10 =
660
2
|
|
9.
308 – 20 =
2
288
|
10.
130 + 40 =
2
170
|
11.
693 – 100 =
2
593
|
12.
624 – 100 =
524
2
|
|
13.
823 – 60 =
763
2
|
14.
663 – 10 =
2
653
|
15.
119 + 80 =
2
199
|
16.
943 + 80 =
2
1023
|
|
17.
995 + 30 =
2
1025
|
18.
534 – 10 =
2
524
|
19.
433 – 10 =
423
2
|
20.
539 – 50 =
2
489
|
|
1.
548 – 40 =
2
508
|
2.
631 – 10 =
2
621
|
3.
384 – 10 =
2
374
|
4.
504 – 70 =
434
2
|
|
5.
517 – 30 =
2
487
|
6.
800 + 30 =
830
2
|
7.
608 + 10 =
2
618
|
8.
650 + 10 =
660
2
|
|
9.
308 – 20 =
2
288
|
10.
130 + 40 =
2
170
|
11.
693 – 100 =
2
593
|
12.
624 – 100 =
524
2
|
|
13.
823 – 60 =
763
2
|
14.
663 – 10 =
2
653
|
15.
119 + 80 =
2
199
|
16.
943 + 80 =
2
1023
|
|
17.
995 + 30 =
2
1025
|
18.
534 – 10 =
2
524
|
19.
433 – 10 =
423
2
|
20.
539 – 50 =
2
489
|