Oefen de erbijsom en erafsom tot 1.000
In de mix
|
1.
86 + 128 =
2
214
|
2.
801 + 35 =
2
836
|
3.
164 + 675 =
839
2
|
4.
75 – 60 =
1
15
|
|
5.
619 – 544 =
2
75
|
6.
241 + 689 =
930
2
|
7.
937 – 534 =
403
2
|
8.
382 – 224 =
2
158
|
|
9.
672 – 452 =
220
2
|
10.
542 + 199 =
741
2
|
11.
915 – 388 =
527
2
|
12.
815 + 17 =
2
832
|
|
13.
51 – 49 =
1
2
|
14.
82 + 800 =
2
882
|
15.
301 – 243 =
2
58
|
16.
504 + 162 =
2
666
|
|
17.
357 – 5 =
352
2
|
18.
971 + 28 =
2
999
|
19.
468 – 371 =
97
2
|
20.
915 – 755 =
160
2
|