Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
855 – 664 =
2
191
3
4
|
2.
202 – 195 =
1
3
7
2
|
3.
286 + 529 =
2
4
815
3
|
4.
686 – 250 =
436
2
4
3
|
|
5.
686 – 131 =
555
2
3
4
|
6.
349 – 204 =
3
4
145
2
|
7.
270 – 219 =
4
2
3
51
|
8.
352 – 251 =
4
2
101
3
|
|
9.
966 + 17 =
2
983
4
3
|
10.
969 + 11 =
4
3
980
2
|
11.
237 + 62 =
3
2
299
4
|
12.
222 + 407 =
2
3
4
629
|
|
13.
528 – 527 =
2
3
4
1
|
14.
142 – 120 =
3
22
4
2
|
15.
299 – 287 =
12
1
3
2
|
16.
232 + 544 =
776
3
4
2
|
|
17.
334 + 458 =
3
792
2
4
|
18.
954 + 38 =
2
3
992
4
|
19.
153 + 398 =
4
2
551
3
|
20.
10 – 5 =
1
2
3
5
|