Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
789 – 413 =
2
4
376
3
|
2.
436 – 299 =
3
2
4
137
|
3.
748 + 132 =
3
2
4
880
|
4.
687 – 4 =
3
683
2
4
|
|
5.
132 + 37 =
4
169
3
2
|
6.
113 – 78 =
3
4
2
35
|
7.
154 – 53 =
101
2
4
3
|
8.
189 – 35 =
154
4
2
3
|
|
9.
739 + 241 =
2
980
4
3
|
10.
509 – 234 =
3
4
275
2
|
11.
533 + 76 =
4
2
609
3
|
12.
464 – 126 =
338
2
4
3
|
|
13.
397 + 296 =
693
2
3
4
|
14.
479 – 350 =
2
3
4
129
|
15.
166 + 130 =
2
3
296
4
|
16.
545 – 11 =
534
3
2
4
|
|
17.
726 + 181 =
3
2
4
907
|
18.
722 + 113 =
4
3
835
2
|
19.
299 + 107 =
2
3
406
4
|
20.
827 + 144 =
3
4
2
971
|