Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
303 + 437 =
3
4
2
740
|
2.
549 – 75 =
4
474
3
2
|
3.
948 – 393 =
4
3
555
2
|
4.
534 + 374 =
908
2
3
4
|
|
5.
82 – 20 =
2
62
4
3
|
6.
171 + 68 =
4
2
239
3
|
7.
720 – 157 =
563
4
3
2
|
8.
905 + 35 =
4
2
940
3
|
|
9.
714 – 504 =
210
2
4
3
|
10.
720 + 9 =
4
3
729
2
|
11.
837 + 3 =
3
840
4
2
|
12.
944 – 91 =
4
2
853
3
|
|
13.
730 + 71 =
801
3
4
2
|
14.
38 – 7 =
31
2
4
3
|
15.
41 + 876 =
2
3
917
4
|
16.
682 + 117 =
3
4
2
799
|
|
17.
237 – 131 =
4
106
3
2
|
18.
45 + 12 =
4
57
2
3
|
19.
766 + 4 =
4
2
3
770
|
20.
563 – 361 =
3
202
4
2
|