Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
326 + 426 =
2
752
3
4
|
2.
427 + 80 =
3
2
507
4
|
3.
758 + 178 =
2
4
936
3
|
4.
91 – 19 =
4
72
2
3
|
|
5.
723 – 39 =
4
2
3
684
|
6.
792 + 87 =
3
879
2
4
|
7.
321 – 108 =
213
4
2
3
|
8.
440 – 250 =
4
2
3
190
|
|
9.
918 – 343 =
2
575
4
3
|
10.
182 + 104 =
4
3
286
2
|
11.
835 + 162 =
997
4
2
3
|
12.
924 – 396 =
3
4
2
528
|
|
13.
293 + 67 =
4
2
3
360
|
14.
943 – 259 =
4
3
684
2
|
15.
539 – 82 =
3
2
457
4
|
16.
57 – 12 =
3
45
2
4
|
|
17.
838 + 111 =
3
949
4
2
|
18.
733 + 190 =
2
923
3
4
|
19.
358 – 357 =
1
2
3
4
|
20.
355 – 59 =
296
3
2
4
|