1.
474 – 30 =
444
2
|
2.
624 + 50 =
674
2
|
3.
631 – 90 =
2
541
|
4.
972 + 70 =
1042
2
|
5.
329 + 70 =
399
2
|
6.
144 + 60 =
204
2
|
7.
278 + 10 =
2
288
|
8.
858 – 70 =
788
2
|
9.
529 – 20 =
509
2
|
10.
623 + 100 =
723
2
|
11.
101 + 90 =
2
191
|
12.
298 – 60 =
238
2
|
13.
263 – 20 =
2
243
|
14.
989 – 80 =
2
909
|
15.
529 + 70 =
2
599
|
16.
444 + 30 =
474
2
|
17.
299 – 60 =
2
239
|
18.
236 – 70 =
166
2
|
19.
139 + 10 =
149
2
|
20.
218 + 60 =
278
2
|
1.
474 – 30 =
444
2
|
2.
624 + 50 =
674
2
|
3.
631 – 90 =
2
541
|
4.
972 + 70 =
1042
2
|
5.
329 + 70 =
399
2
|
6.
144 + 60 =
204
2
|
7.
278 + 10 =
2
288
|
8.
858 – 70 =
788
2
|
9.
529 – 20 =
509
2
|
10.
623 + 100 =
723
2
|
11.
101 + 90 =
2
191
|
12.
298 – 60 =
238
2
|
13.
263 – 20 =
2
243
|
14.
989 – 80 =
2
909
|
15.
529 + 70 =
2
599
|
16.
444 + 30 =
474
2
|
17.
299 – 60 =
2
239
|
18.
236 – 70 =
166
2
|
19.
139 + 10 =
149
2
|
20.
218 + 60 =
278
2
|