Oefen de erbijsom en erafsom tot 1.000
In de mix
|
1.
325 + 424 =
749
2
|
2.
684 – 182 =
2
502
|
3.
241 – 69 =
172
2
|
4.
358 – 226 =
2
132
|
|
5.
655 – 376 =
2
279
|
6.
658 + 4 =
662
2
|
7.
606 + 199 =
2
805
|
8.
860 – 370 =
2
490
|
|
9.
368 + 575 =
943
2
|
10.
370 + 411 =
781
2
|
11.
13 – 10 =
3
1
|
12.
968 – 828 =
2
140
|
|
13.
213 – 91 =
2
122
|
14.
937 – 698 =
239
2
|
15.
725 – 562 =
2
163
|
16.
460 – 444 =
16
2
|
|
17.
121 + 593 =
2
714
|
18.
563 + 234 =
2
797
|
19.
1000 + 0 =
1000
2
|
20.
362 – 127 =
2
235
|