Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
390 – 112 =
4
278
3
2
|
2.
90 – 53 =
4
2
37
3
|
3.
120 – 81 =
39
2
3
4
|
4.
799 – 400 =
399
2
3
4
|
|
5.
262 – 51 =
211
2
3
4
|
6.
501 – 237 =
4
2
264
3
|
7.
938 – 794 =
2
144
4
3
|
8.
349 – 325 =
4
24
3
2
|
|
9.
687 – 302 =
4
2
385
3
|
10.
923 + 11 =
4
2
934
3
|
11.
200 + 488 =
688
4
3
2
|
12.
396 – 144 =
4
2
3
252
|
|
13.
457 – 65 =
3
2
4
392
|
14.
515 – 122 =
3
2
4
393
|
15.
825 + 112 =
937
3
4
2
|
16.
387 + 245 =
4
2
632
3
|
|
17.
33 + 875 =
908
4
3
2
|
18.
661 + 202 =
4
3
2
863
|
19.
698 – 154 =
544
3
4
2
|
20.
645 – 301 =
3
344
2
4
|