|
1.
430 – 100 =
2
330
|
2.
135 + 100 =
235
2
|
3.
449 – 20 =
2
429
|
4.
315 + 100 =
2
415
|
|
5.
431 – 30 =
401
2
|
6.
473 + 30 =
2
503
|
7.
776 – 80 =
696
2
|
8.
638 – 80 =
558
2
|
|
9.
180 – 30 =
150
2
|
10.
393 – 80 =
2
313
|
11.
979 – 40 =
2
939
|
12.
790 – 10 =
2
780
|
|
13.
908 – 30 =
2
878
|
14.
891 + 20 =
2
911
|
15.
421 + 10 =
2
431
|
16.
546 + 80 =
2
626
|
|
17.
799 + 50 =
849
2
|
18.
323 – 30 =
2
293
|
19.
820 + 80 =
900
2
|
20.
356 + 90 =
446
2
|
|
1.
430 – 100 =
2
330
|
2.
135 + 100 =
235
2
|
3.
449 – 20 =
2
429
|
4.
315 + 100 =
2
415
|
|
5.
431 – 30 =
401
2
|
6.
473 + 30 =
2
503
|
7.
776 – 80 =
696
2
|
8.
638 – 80 =
558
2
|
|
9.
180 – 30 =
150
2
|
10.
393 – 80 =
2
313
|
11.
979 – 40 =
2
939
|
12.
790 – 10 =
2
780
|
|
13.
908 – 30 =
2
878
|
14.
891 + 20 =
2
911
|
15.
421 + 10 =
2
431
|
16.
546 + 80 =
2
626
|
|
17.
799 + 50 =
849
2
|
18.
323 – 30 =
2
293
|
19.
820 + 80 =
900
2
|
20.
356 + 90 =
446
2
|