Oefen de erbijsom en erafsom tot 1.000
In de mix
|
1.
416 – 68 =
2
348
|
2.
179 – 88 =
91
2
|
3.
209 – 186 =
2
23
|
4.
146 + 634 =
780
2
|
|
5.
891 + 17 =
2
908
|
6.
507 – 385 =
122
2
|
7.
16 – 0 =
16
2
|
8.
503 + 264 =
2
767
|
|
9.
675 – 46 =
2
629
|
10.
794 + 149 =
2
943
|
11.
139 – 132 =
7
1
|
12.
739 + 109 =
848
2
|
|
13.
86 + 563 =
649
2
|
14.
235 + 400 =
2
635
|
15.
498 + 18 =
516
2
|
16.
19 + 696 =
715
2
|
|
17.
986 + 1 =
987
2
|
18.
391 + 73 =
464
2
|
19.
968 + 31 =
999
2
|
20.
505 + 326 =
831
2
|