Erbij en eraf tot 1.000
In de mix
|
1.
463 + 38 =
2
501
|
2.
387 – 374 =
13
1
|
3.
247 + 237 =
484
2
|
4.
131 + 372 =
503
2
|
|
5.
57 – 11 =
46
2
|
6.
738 – 509 =
2
229
|
7.
331 – 188 =
143
2
|
8.
750 + 218 =
2
968
|
|
9.
596 – 469 =
2
127
|
10.
122 + 295 =
417
2
|
11.
15 – 12 =
1
3
|
12.
546 + 0 =
546
2
|
|
13.
596 – 72 =
2
524
|
14.
394 – 10 =
384
2
|
15.
468 + 77 =
2
545
|
16.
638 + 105 =
2
743
|
|
17.
315 – 74 =
241
2
|
18.
128 + 164 =
292
2
|
19.
281 + 599 =
2
880
|
20.
407 + 313 =
2
720
|