Oefen de erbijsom en erafsom tot 1.000
In de mix
|
1.
569 + 236 =
2
805
|
2.
788 – 467 =
2
321
|
3.
648 + 10 =
2
658
|
4.
363 + 548 =
911
2
|
|
5.
17 + 667 =
2
684
|
6.
979 + 0 =
2
979
|
7.
529 + 471 =
1000
2
|
8.
680 – 486 =
194
2
|
|
9.
531 + 392 =
923
2
|
10.
90 – 48 =
42
2
|
11.
508 + 119 =
627
2
|
12.
514 – 462 =
2
52
|
|
13.
462 – 308 =
154
2
|
14.
410 + 418 =
2
828
|
15.
240 + 221 =
2
461
|
16.
439 – 325 =
114
2
|
|
17.
726 + 159 =
2
885
|
18.
762 – 557 =
205
2
|
19.
196 – 135 =
2
61
|
20.
833 + 125 =
2
958
|