Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
576 + 49 =
3
625
2
4
|
2.
392 – 216 =
4
3
2
176
|
3.
143 – 85 =
58
3
2
4
|
4.
649 – 643 =
3
1
6
2
|
|
5.
977 + 19 =
3
2
996
4
|
6.
133 + 327 =
460
4
2
3
|
7.
192 + 166 =
2
3
4
358
|
8.
194 + 714 =
2
908
4
3
|
|
9.
926 – 688 =
238
4
2
3
|
10.
349 + 182 =
2
3
531
4
|
11.
425 + 450 =
2
4
875
3
|
12.
448 – 70 =
2
4
3
378
|
|
13.
877 – 616 =
2
261
3
4
|
14.
198 + 308 =
4
3
506
2
|
15.
181 – 124 =
57
3
4
2
|
16.
9 + 453 =
4
462
2
3
|
|
17.
792 + 48 =
4
840
3
2
|
18.
597 + 122 =
4
3
2
719
|
19.
110 + 827 =
4
2
937
3
|
20.
655 – 578 =
2
77
4
3
|