Erbij en eraf tot 1.000
In de mix
|
1.
937 + 31 =
2
968
|
2.
492 – 429 =
2
63
|
3.
489 + 423 =
2
912
|
4.
844 – 272 =
572
2
|
|
5.
292 – 193 =
2
99
|
6.
320 + 57 =
377
2
|
7.
737 + 231 =
2
968
|
8.
584 + 243 =
827
2
|
|
9.
586 + 348 =
934
2
|
10.
322 – 292 =
2
30
|
11.
926 – 399 =
527
2
|
12.
127 – 77 =
2
50
|
|
13.
30 – 21 =
1
9
|
14.
802 + 128 =
2
930
|
15.
265 – 249 =
16
2
|
16.
506 + 248 =
2
754
|
|
17.
149 + 138 =
287
2
|
18.
457 – 102 =
2
355
|
19.
99 – 56 =
2
43
|
20.
696 – 195 =
2
501
|