Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
995 + 4 =
4
999
3
2
|
2.
404 – 310 =
2
3
94
4
|
3.
659 + 109 =
3
4
768
2
|
4.
325 – 91 =
3
4
234
2
|
|
5.
253 + 222 =
3
2
475
4
|
6.
890 – 38 =
3
4
852
2
|
7.
520 + 367 =
4
3
2
887
|
8.
852 + 81 =
4
933
2
3
|
|
9.
844 + 77 =
2
4
921
3
|
10.
132 + 732 =
2
3
4
864
|
11.
898 + 8 =
906
2
4
3
|
12.
783 – 709 =
4
3
74
2
|
|
13.
51 – 16 =
4
3
2
35
|
14.
293 + 219 =
2
3
4
512
|
15.
208 + 146 =
3
2
354
4
|
16.
281 + 31 =
4
2
3
312
|
|
17.
920 + 60 =
980
4
3
2
|
18.
87 + 278 =
4
365
3
2
|
19.
824 + 95 =
2
3
4
919
|
20.
586 + 320 =
3
2
4
906
|