Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
824 + 170 =
2
4
3
994
|
2.
667 – 527 =
2
3
140
4
|
3.
39 + 797 =
3
2
4
836
|
4.
578 – 331 =
247
2
4
3
|
|
5.
373 + 593 =
3
4
966
2
|
6.
582 – 399 =
2
4
3
183
|
7.
580 – 542 =
2
3
38
4
|
8.
937 + 36 =
3
973
4
2
|
|
9.
647 + 313 =
960
2
3
4
|
10.
287 + 379 =
2
3
666
4
|
11.
787 – 313 =
474
4
2
3
|
12.
427 + 556 =
4
2
3
983
|
|
13.
234 + 350 =
4
2
584
3
|
14.
361 + 622 =
983
4
2
3
|
15.
44 – 17 =
3
27
4
2
|
16.
840 – 11 =
3
2
4
829
|
|
17.
775 + 19 =
3
2
794
4
|
18.
101 – 100 =
2
4
3
1
|
19.
858 + 20 =
2
878
4
3
|
20.
833 + 130 =
4
963
2
3
|