Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
286 + 512 =
4
3
2
798
|
2.
92 + 849 =
941
4
3
2
|
3.
565 + 54 =
4
3
619
2
|
4.
676 + 170 =
4
2
3
846
|
|
5.
373 + 16 =
2
389
3
4
|
6.
959 – 546 =
2
413
4
3
|
7.
985 – 707 =
4
3
278
2
|
8.
117 – 52 =
2
65
3
4
|
|
9.
23 + 286 =
309
4
3
2
|
10.
291 – 67 =
4
3
224
2
|
11.
469 + 170 =
4
2
3
639
|
12.
757 – 469 =
3
4
288
2
|
|
13.
340 – 227 =
3
113
4
2
|
14.
901 + 56 =
957
2
3
4
|
15.
315 – 191 =
124
2
3
4
|
16.
941 + 37 =
4
2
3
978
|
|
17.
225 + 272 =
3
2
4
497
|
18.
927 – 524 =
2
403
4
3
|
19.
355 – 134 =
2
4
3
221
|
20.
807 – 641 =
3
4
166
2
|