Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
337 – 300 =
4
2
3
37
|
2.
365 + 374 =
739
4
2
3
|
3.
907 + 2 =
909
3
4
2
|
4.
749 – 29 =
2
3
4
720
|
|
5.
341 + 75 =
3
4
416
2
|
6.
178 + 572 =
2
3
4
750
|
7.
214 + 209 =
3
4
2
423
|
8.
564 + 177 =
2
741
4
3
|
|
9.
552 – 194 =
2
358
3
4
|
10.
692 – 472 =
220
2
4
3
|
11.
418 + 309 =
4
2
727
3
|
12.
945 + 42 =
4
2
3
987
|
|
13.
773 + 193 =
3
2
4
966
|
14.
685 + 157 =
2
842
4
3
|
15.
8 – 1 =
1
7
3
2
|
16.
345 + 167 =
512
2
3
4
|
|
17.
916 + 55 =
3
2
4
971
|
18.
351 – 248 =
4
2
3
103
|
19.
138 + 564 =
702
3
2
4
|
20.
362 + 238 =
2
4
600
3
|