Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
209 + 156 =
365
3
2
4
|
2.
78 – 25 =
2
4
53
3
|
3.
981 – 86 =
3
2
895
4
|
4.
934 – 442 =
4
3
2
492
|
|
5.
15 – 12 =
2
4
1
3
|
6.
760 + 193 =
2
953
4
3
|
7.
298 – 251 =
2
3
47
4
|
8.
758 – 479 =
279
4
2
3
|
|
9.
802 + 138 =
3
4
2
940
|
10.
493 + 96 =
589
4
3
2
|
11.
848 + 19 =
2
3
4
867
|
12.
79 – 67 =
3
1
12
2
|
|
13.
729 – 126 =
603
3
4
2
|
14.
623 – 14 =
3
2
4
609
|
15.
32 – 28 =
1
3
2
4
|
16.
107 + 830 =
4
3
2
937
|
|
17.
228 – 71 =
3
4
2
157
|
18.
879 + 115 =
994
4
3
2
|
19.
179 – 179 =
3
4
2
0
|
20.
312 + 460 =
772
2
4
3
|