Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
427 – 215 =
4
2
212
3
|
2.
78 – 12 =
4
2
3
66
|
3.
933 – 593 =
2
3
4
340
|
4.
812 – 544 =
2
3
4
268
|
|
5.
525 – 199 =
4
326
3
2
|
6.
563 + 300 =
4
3
2
863
|
7.
138 – 97 =
41
4
2
3
|
8.
867 – 478 =
3
4
389
2
|
|
9.
931 + 57 =
3
4
988
2
|
10.
817 – 360 =
3
457
2
4
|
11.
890 + 34 =
924
2
3
4
|
12.
641 – 627 =
2
3
14
1
|
|
13.
336 – 300 =
2
3
4
36
|
14.
930 – 281 =
2
3
649
4
|
15.
319 + 126 =
445
3
4
2
|
16.
940 – 836 =
2
104
4
3
|
|
17.
785 – 140 =
3
2
645
4
|
18.
128 – 73 =
55
4
2
3
|
19.
939 – 799 =
2
140
4
3
|
20.
422 + 439 =
3
2
861
4
|