Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
403 + 585 =
4
2
988
3
|
2.
905 – 318 =
3
2
4
587
|
3.
141 + 610 =
3
2
4
751
|
4.
799 + 37 =
4
3
2
836
|
|
5.
164 + 765 =
2
929
3
4
|
6.
630 – 96 =
4
2
3
534
|
7.
180 – 23 =
4
3
2
157
|
8.
504 + 460 =
2
3
964
4
|
|
9.
163 – 24 =
3
4
2
139
|
10.
720 – 718 =
3
1
4
2
|
11.
926 + 23 =
3
949
2
4
|
12.
202 + 563 =
765
3
4
2
|
|
13.
392 + 117 =
3
4
509
2
|
14.
651 + 230 =
3
4
881
2
|
15.
677 – 134 =
4
543
2
3
|
16.
939 + 20 =
959
4
2
3
|
|
17.
240 – 191 =
49
3
4
2
|
18.
296 – 273 =
4
3
23
2
|
19.
938 + 57 =
3
995
2
4
|
20.
4 – 3 =
4
2
3
1
|