Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
513 – 160 =
353
2
3
4
|
2.
42 + 259 =
3
301
2
4
|
3.
492 – 345 =
2
3
4
147
|
4.
978 – 820 =
2
4
3
158
|
|
5.
528 – 151 =
377
2
3
4
|
6.
179 + 663 =
3
4
842
2
|
7.
511 + 226 =
737
3
2
4
|
8.
881 – 856 =
2
25
3
4
|
|
9.
382 – 381 =
1
4
3
2
|
10.
548 – 91 =
457
3
4
2
|
11.
912 + 22 =
4
3
934
2
|
12.
930 – 494 =
3
436
4
2
|
|
13.
6 – 5 =
1
2
4
3
|
14.
339 – 317 =
2
22
3
4
|
15.
157 + 338 =
3
2
495
4
|
16.
548 + 173 =
3
721
2
4
|
|
17.
575 – 548 =
2
4
27
3
|
18.
34 + 516 =
3
2
4
550
|
19.
934 + 58 =
2
4
3
992
|
20.
856 – 566 =
290
4
2
3
|