Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
653 – 607 =
2
4
3
46
|
2.
850 – 32 =
3
818
2
4
|
3.
989 + 5 =
994
2
3
4
|
4.
686 – 340 =
2
346
4
3
|
|
5.
893 + 4 =
2
3
897
4
|
6.
225 + 485 =
2
4
710
3
|
7.
25 – 0 =
3
4
2
25
|
8.
439 + 176 =
615
3
4
2
|
|
9.
604 + 220 =
4
3
2
824
|
10.
68 + 360 =
3
2
4
428
|
11.
615 + 372 =
3
2
987
4
|
12.
954 – 911 =
3
2
43
4
|
|
13.
112 + 501 =
4
613
3
2
|
14.
508 + 57 =
2
3
565
4
|
15.
494 + 165 =
2
3
4
659
|
16.
833 + 159 =
992
2
3
4
|
|
17.
62 + 456 =
3
4
518
2
|
18.
762 + 50 =
4
2
812
3
|
19.
189 + 64 =
4
3
253
2
|
20.
495 + 185 =
2
4
680
3
|