Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
499 – 340 =
159
3
2
4
|
2.
824 – 587 =
2
4
3
237
|
3.
689 + 85 =
3
774
2
4
|
4.
816 – 89 =
3
4
727
2
|
|
5.
407 – 36 =
371
4
2
3
|
6.
850 – 664 =
186
4
3
2
|
7.
478 – 179 =
2
299
3
4
|
8.
949 – 812 =
4
2
3
137
|
|
9.
705 + 110 =
815
2
4
3
|
10.
374 + 438 =
4
3
2
812
|
11.
442 – 83 =
4
3
2
359
|
12.
592 – 286 =
4
3
2
306
|
|
13.
969 + 20 =
4
989
3
2
|
14.
952 – 878 =
4
3
74
2
|
15.
556 – 239 =
317
4
2
3
|
16.
313 – 93 =
220
3
4
2
|
|
17.
165 – 142 =
23
3
4
2
|
18.
620 – 228 =
392
4
3
2
|
19.
219 + 59 =
2
4
3
278
|
20.
861 + 2 =
2
863
4
3
|