Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
379 + 387 =
4
2
3
766
|
2.
672 – 183 =
4
489
3
2
|
3.
521 + 126 =
3
647
4
2
|
4.
242 + 38 =
2
4
280
3
|
|
5.
534 + 62 =
2
596
4
3
|
6.
686 + 131 =
4
817
3
2
|
7.
259 – 62 =
4
3
197
2
|
8.
956 – 839 =
3
4
2
117
|
|
9.
309 + 54 =
2
3
363
4
|
10.
284 – 66 =
2
3
218
4
|
11.
612 – 107 =
4
3
2
505
|
12.
978 + 10 =
3
4
2
988
|
|
13.
51 – 51 =
4
2
0
3
|
14.
357 – 255 =
2
4
3
102
|
15.
397 + 77 =
4
474
3
2
|
16.
983 + 12 =
4
2
995
3
|
|
17.
536 + 100 =
3
636
4
2
|
18.
806 + 54 =
3
2
4
860
|
19.
275 + 501 =
3
2
776
4
|
20.
426 + 95 =
4
3
521
2
|