Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
567 – 140 =
3
2
4
427
|
2.
626 – 43 =
3
2
4
583
|
3.
116 – 76 =
3
40
4
2
|
4.
431 – 388 =
43
2
4
3
|
|
5.
498 + 180 =
2
678
3
4
|
6.
540 – 418 =
2
122
4
3
|
7.
23 + 153 =
3
2
176
4
|
8.
684 – 464 =
220
4
2
3
|
|
9.
943 – 635 =
308
3
2
4
|
10.
866 + 6 =
2
4
3
872
|
11.
329 + 22 =
351
3
4
2
|
12.
834 + 123 =
2
3
4
957
|
|
13.
753 – 209 =
2
544
4
3
|
14.
355 + 230 =
2
4
3
585
|
15.
498 + 402 =
900
4
2
3
|
16.
203 – 190 =
2
3
13
1
|
|
17.
522 – 340 =
2
3
182
4
|
18.
231 + 365 =
4
596
3
2
|
19.
868 + 14 =
882
3
2
4
|
20.
373 – 209 =
3
2
164
4
|