Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
638 + 38 =
2
4
3
676
|
2.
578 – 185 =
2
393
4
3
|
3.
103 + 74 =
3
2
4
177
|
4.
378 + 261 =
4
639
2
3
|
|
5.
252 – 192 =
4
3
2
60
|
6.
38 + 652 =
4
3
2
690
|
7.
467 + 61 =
4
2
528
3
|
8.
484 + 257 =
3
741
2
4
|
|
9.
432 + 67 =
499
2
4
3
|
10.
433 – 313 =
3
120
4
2
|
11.
373 – 113 =
260
4
3
2
|
12.
987 + 5 =
2
4
992
3
|
|
13.
211 + 684 =
4
2
895
3
|
14.
815 + 159 =
4
974
2
3
|
15.
284 – 116 =
2
168
3
4
|
16.
947 + 31 =
2
978
4
3
|
|
17.
42 – 4 =
3
2
38
4
|
18.
28 – 18 =
2
3
10
1
|
19.
47 – 1 =
3
4
2
46
|
20.
327 + 392 =
3
2
719
4
|