Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
394 – 324 =
3
2
70
4
|
2.
12 – 7 =
5
3
1
2
|
3.
310 – 228 =
2
82
3
4
|
4.
679 + 267 =
2
946
3
4
|
|
5.
857 + 118 =
2
3
975
4
|
6.
701 + 178 =
4
879
3
2
|
7.
388 – 338 =
4
50
3
2
|
8.
80 + 463 =
543
4
2
3
|
|
9.
702 + 239 =
941
4
2
3
|
10.
806 + 120 =
2
4
3
926
|
11.
78 + 571 =
4
2
3
649
|
12.
137 – 59 =
2
3
78
4
|
|
13.
2 – 2 =
0
3
2
4
|
14.
799 – 764 =
4
35
2
3
|
15.
91 – 30 =
2
61
4
3
|
16.
556 + 349 =
905
4
3
2
|
|
17.
100 – 6 =
2
94
3
4
|
18.
234 – 81 =
3
2
153
4
|
19.
858 + 124 =
2
4
3
982
|
20.
209 + 550 =
4
759
2
3
|