Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
666 – 250 =
416
3
4
2
|
2.
294 + 643 =
937
4
2
3
|
3.
689 – 526 =
3
2
163
4
|
4.
299 – 160 =
139
3
2
4
|
|
5.
938 + 45 =
983
4
2
3
|
6.
773 + 215 =
3
988
2
4
|
7.
854 + 1 =
3
4
855
2
|
8.
998 – 882 =
2
116
3
4
|
|
9.
470 – 355 =
115
4
3
2
|
10.
619 – 267 =
3
352
2
4
|
11.
227 – 58 =
3
4
2
169
|
12.
807 + 45 =
3
4
852
2
|
|
13.
302 – 161 =
3
2
4
141
|
14.
299 – 61 =
2
238
4
3
|
15.
747 + 61 =
2
4
808
3
|
16.
395 + 189 =
2
3
584
4
|
|
17.
144 + 752 =
896
3
2
4
|
18.
34 + 85 =
4
119
2
3
|
19.
432 + 318 =
3
750
4
2
|
20.
633 + 72 =
705
2
4
3
|