|
1.
329 – 50 =
2
279
|
2.
242 – 80 =
2
162
|
3.
163 + 10 =
2
173
|
4.
138 + 30 =
2
168
|
|
5.
216 – 30 =
186
2
|
6.
612 + 90 =
702
2
|
7.
848 + 70 =
2
918
|
8.
297 – 90 =
2
207
|
|
9.
649 + 50 =
2
699
|
10.
157 – 10 =
2
147
|
11.
151 – 30 =
2
121
|
12.
670 – 40 =
630
2
|
|
13.
925 + 30 =
2
955
|
14.
863 – 20 =
2
843
|
15.
298 + 90 =
388
2
|
16.
324 + 100 =
424
2
|
|
17.
158 – 50 =
108
2
|
18.
380 + 60 =
2
440
|
19.
309 + 70 =
379
2
|
20.
913 – 60 =
2
853
|
|
1.
329 – 50 =
2
279
|
2.
242 – 80 =
2
162
|
3.
163 + 10 =
2
173
|
4.
138 + 30 =
2
168
|
|
5.
216 – 30 =
186
2
|
6.
612 + 90 =
702
2
|
7.
848 + 70 =
2
918
|
8.
297 – 90 =
2
207
|
|
9.
649 + 50 =
2
699
|
10.
157 – 10 =
2
147
|
11.
151 – 30 =
2
121
|
12.
670 – 40 =
630
2
|
|
13.
925 + 30 =
2
955
|
14.
863 – 20 =
2
843
|
15.
298 + 90 =
388
2
|
16.
324 + 100 =
424
2
|
|
17.
158 – 50 =
108
2
|
18.
380 + 60 =
2
440
|
19.
309 + 70 =
379
2
|
20.
913 – 60 =
2
853
|