Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
915 – 306 =
3
4
609
2
|
2.
798 – 712 =
2
86
4
3
|
3.
316 + 0 =
4
2
316
3
|
4.
817 + 150 =
967
2
4
3
|
|
5.
453 + 203 =
3
4
656
2
|
6.
156 – 150 =
6
1
3
2
|
7.
135 + 224 =
2
4
359
3
|
8.
421 – 188 =
233
2
4
3
|
|
9.
408 – 317 =
2
4
91
3
|
10.
971 + 7 =
2
4
978
3
|
11.
787 – 140 =
4
647
2
3
|
12.
35 – 1 =
34
3
4
2
|
|
13.
896 + 98 =
3
4
994
2
|
14.
852 – 631 =
2
3
4
221
|
15.
613 + 114 =
4
2
3
727
|
16.
935 + 21 =
956
3
2
4
|
|
17.
621 + 289 =
910
3
2
4
|
18.
353 – 134 =
2
219
3
4
|
19.
393 – 154 =
4
2
3
239
|
20.
859 + 71 =
2
930
4
3
|