Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
431 + 326 =
2
3
757
4
|
2.
703 – 405 =
4
2
3
298
|
3.
16 – 12 =
4
2
1
3
|
4.
903 – 728 =
4
2
175
3
|
|
5.
868 – 454 =
4
414
2
3
|
6.
333 + 238 =
4
3
571
2
|
7.
598 + 247 =
3
4
845
2
|
8.
292 – 81 =
211
4
2
3
|
|
9.
609 – 533 =
2
3
76
4
|
10.
328 + 418 =
2
4
746
3
|
11.
456 + 129 =
585
2
4
3
|
12.
614 – 440 =
2
4
3
174
|
|
13.
381 – 254 =
127
4
2
3
|
14.
425 + 125 =
550
2
4
3
|
15.
922 – 897 =
2
25
4
3
|
16.
397 – 30 =
367
2
4
3
|
|
17.
310 – 215 =
2
4
95
3
|
18.
40 – 30 =
1
10
3
2
|
19.
537 – 412 =
4
2
3
125
|
20.
496 + 348 =
4
3
844
2
|