Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
550 + 286 =
2
3
4
836
|
2.
962 – 32 =
930
4
2
3
|
3.
377 – 261 =
116
2
3
4
|
4.
963 – 938 =
25
3
4
2
|
|
5.
737 – 98 =
4
3
2
639
|
6.
567 + 71 =
2
3
4
638
|
7.
11 + 10 =
4
21
2
3
|
8.
499 + 345 =
2
3
4
844
|
|
9.
534 – 460 =
4
3
74
2
|
10.
235 – 97 =
4
138
2
3
|
11.
625 – 213 =
3
2
412
4
|
12.
827 – 37 =
2
3
4
790
|
|
13.
105 – 90 =
3
15
2
1
|
14.
850 – 271 =
579
3
4
2
|
15.
451 – 65 =
3
386
4
2
|
16.
586 + 177 =
4
763
2
3
|
|
17.
825 – 760 =
65
2
4
3
|
18.
204 + 552 =
2
756
3
4
|
19.
867 – 157 =
4
3
710
2
|
20.
378 – 121 =
4
257
3
2
|