|
1.
854 + 20 =
2
874
|
2.
837 – 70 =
767
2
|
3.
281 – 30 =
2
251
|
4.
890 + 80 =
2
970
|
|
5.
498 – 100 =
2
398
|
6.
285 + 40 =
325
2
|
7.
115 – 10 =
2
105
|
8.
300 – 60 =
2
240
|
|
9.
220 – 90 =
2
130
|
10.
119 – 30 =
2
89
|
11.
508 – 80 =
2
428
|
12.
317 – 20 =
297
2
|
|
13.
886 + 30 =
2
916
|
14.
347 – 100 =
2
247
|
15.
998 + 30 =
1028
2
|
16.
804 – 60 =
2
744
|
|
17.
404 + 20 =
424
2
|
18.
308 – 90 =
218
2
|
19.
669 – 90 =
579
2
|
20.
431 – 20 =
2
411
|
|
1.
854 + 20 =
2
874
|
2.
837 – 70 =
767
2
|
3.
281 – 30 =
2
251
|
4.
890 + 80 =
2
970
|
|
5.
498 – 100 =
2
398
|
6.
285 + 40 =
325
2
|
7.
115 – 10 =
2
105
|
8.
300 – 60 =
2
240
|
|
9.
220 – 90 =
2
130
|
10.
119 – 30 =
2
89
|
11.
508 – 80 =
2
428
|
12.
317 – 20 =
297
2
|
|
13.
886 + 30 =
2
916
|
14.
347 – 100 =
2
247
|
15.
998 + 30 =
1028
2
|
16.
804 – 60 =
2
744
|
|
17.
404 + 20 =
424
2
|
18.
308 – 90 =
218
2
|
19.
669 – 90 =
579
2
|
20.
431 – 20 =
2
411
|