|
1.
233 – 60 =
173
2
|
2.
597 – 100 =
2
497
|
3.
749 + 90 =
2
839
|
4.
370 + 100 =
470
2
|
|
5.
844 + 20 =
2
864
|
6.
656 + 40 =
696
2
|
7.
440 + 20 =
2
460
|
8.
455 – 10 =
445
2
|
|
9.
213 + 40 =
253
2
|
10.
179 + 70 =
2
249
|
11.
603 + 90 =
2
693
|
12.
504 – 30 =
474
2
|
|
13.
849 + 100 =
2
949
|
14.
930 – 10 =
2
920
|
15.
144 – 20 =
2
124
|
16.
658 + 10 =
668
2
|
|
17.
122 + 40 =
162
2
|
18.
858 – 10 =
848
2
|
19.
999 + 30 =
2
1029
|
20.
535 – 30 =
505
2
|
|
1.
233 – 60 =
173
2
|
2.
597 – 100 =
2
497
|
3.
749 + 90 =
2
839
|
4.
370 + 100 =
470
2
|
|
5.
844 + 20 =
2
864
|
6.
656 + 40 =
696
2
|
7.
440 + 20 =
2
460
|
8.
455 – 10 =
445
2
|
|
9.
213 + 40 =
253
2
|
10.
179 + 70 =
2
249
|
11.
603 + 90 =
2
693
|
12.
504 – 30 =
474
2
|
|
13.
849 + 100 =
2
949
|
14.
930 – 10 =
2
920
|
15.
144 – 20 =
2
124
|
16.
658 + 10 =
668
2
|
|
17.
122 + 40 =
162
2
|
18.
858 – 10 =
848
2
|
19.
999 + 30 =
2
1029
|
20.
535 – 30 =
505
2
|