Oefen de erbijsom en erafsom tot 1.000
In de mix
|
1.
395 + 593 =
988
2
|
2.
882 – 560 =
322
2
|
3.
742 – 304 =
438
2
|
4.
302 + 696 =
2
998
|
|
5.
162 + 523 =
2
685
|
6.
379 + 130 =
2
509
|
7.
624 + 48 =
2
672
|
8.
839 + 4 =
2
843
|
|
9.
692 – 207 =
2
485
|
10.
97 + 777 =
874
2
|
11.
17 + 323 =
2
340
|
12.
148 + 579 =
727
2
|
|
13.
103 + 229 =
332
2
|
14.
694 – 160 =
534
2
|
15.
536 + 410 =
2
946
|
16.
122 – 114 =
8
1
|
|
17.
829 – 167 =
662
2
|
18.
773 + 103 =
2
876
|
19.
427 + 207 =
634
2
|
20.
315 – 216 =
99
2
|