Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
102 + 645 =
2
747
3
4
|
2.
25 + 668 =
693
4
2
3
|
3.
807 + 180 =
4
3
987
2
|
4.
991 – 28 =
2
4
3
963
|
|
5.
440 – 50 =
390
3
2
4
|
6.
382 + 249 =
4
2
3
631
|
7.
92 – 31 =
4
2
3
61
|
8.
973 – 799 =
2
3
4
174
|
|
9.
812 + 60 =
872
4
3
2
|
10.
210 – 156 =
4
54
2
3
|
11.
361 – 192 =
169
3
2
4
|
12.
464 – 280 =
3
184
2
4
|
|
13.
452 + 44 =
4
3
496
2
|
14.
947 + 50 =
997
2
4
3
|
15.
724 – 299 =
2
425
3
4
|
16.
372 + 498 =
3
2
870
4
|
|
17.
185 – 19 =
4
166
2
3
|
18.
150 – 114 =
3
4
36
2
|
19.
822 – 360 =
4
2
462
3
|
20.
69 – 22 =
47
3
4
2
|