Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
658 + 204 =
2
4
862
3
|
2.
479 + 231 =
3
710
4
2
|
3.
651 + 314 =
965
2
3
4
|
4.
852 – 676 =
2
3
176
4
|
|
5.
575 – 89 =
2
4
3
486
|
6.
515 + 328 =
2
4
3
843
|
7.
17 – 5 =
1
3
2
12
|
8.
945 + 51 =
996
3
4
2
|
|
9.
990 + 10 =
4
2
3
1000
|
10.
651 – 160 =
491
2
3
4
|
11.
978 + 11 =
4
3
2
989
|
12.
258 – 236 =
22
4
3
2
|
|
13.
131 + 736 =
2
867
3
4
|
14.
391 + 211 =
2
602
4
3
|
15.
28 + 307 =
4
3
2
335
|
16.
341 + 211 =
552
4
2
3
|
|
17.
57 + 221 =
2
3
4
278
|
18.
588 – 92 =
2
496
3
4
|
19.
265 + 351 =
3
4
2
616
|
20.
510 – 299 =
211
3
4
2
|