Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
462 + 462 =
4
924
2
3
|
2.
239 – 188 =
3
51
2
4
|
3.
246 – 30 =
4
216
3
2
|
4.
752 + 85 =
3
837
4
2
|
|
5.
889 + 28 =
3
4
2
917
|
6.
370 + 216 =
2
4
586
3
|
7.
664 – 38 =
626
2
3
4
|
8.
838 – 299 =
539
2
4
3
|
|
9.
717 + 64 =
781
4
3
2
|
10.
397 + 456 =
853
2
3
4
|
11.
344 + 192 =
536
4
3
2
|
12.
534 – 430 =
104
4
3
2
|
|
13.
227 – 222 =
5
3
1
2
|
14.
660 – 245 =
2
3
4
415
|
15.
323 – 37 =
3
2
286
4
|
16.
320 – 306 =
1
2
3
14
|
|
17.
967 + 3 =
3
2
970
4
|
18.
860 – 156 =
4
704
3
2
|
19.
31 – 23 =
3
1
8
2
|
20.
410 + 266 =
676
2
4
3
|