Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
250 + 158 =
4
2
408
3
|
2.
890 – 866 =
24
3
2
4
|
3.
158 – 23 =
3
2
135
4
|
4.
310 + 260 =
4
3
2
570
|
|
5.
195 – 27 =
2
3
4
168
|
6.
539 – 200 =
4
2
3
339
|
7.
364 + 185 =
4
549
2
3
|
8.
603 – 86 =
2
3
4
517
|
|
9.
577 + 142 =
3
4
2
719
|
10.
412 – 29 =
383
4
2
3
|
11.
808 + 108 =
3
2
916
4
|
12.
674 + 239 =
3
2
4
913
|
|
13.
342 – 95 =
2
3
4
247
|
14.
906 + 62 =
968
3
2
4
|
15.
336 – 190 =
146
2
4
3
|
16.
54 + 102 =
156
4
3
2
|
|
17.
538 – 263 =
4
2
3
275
|
18.
609 + 149 =
758
4
2
3
|
19.
662 – 162 =
500
3
4
2
|
20.
671 + 262 =
3
4
933
2
|