Erbij en eraf tot 1.000
In de mix
|
1.
412 – 181 =
231
2
|
2.
336 + 318 =
2
654
|
3.
142 + 322 =
464
2
|
4.
414 + 401 =
815
2
|
|
5.
157 + 425 =
2
582
|
6.
328 + 141 =
469
2
|
7.
104 + 0 =
2
104
|
8.
889 – 692 =
2
197
|
|
9.
139 – 126 =
13
1
|
10.
195 – 8 =
2
187
|
11.
309 + 490 =
799
2
|
12.
631 + 25 =
2
656
|
|
13.
70 – 23 =
47
2
|
14.
526 + 423 =
2
949
|
15.
854 – 477 =
2
377
|
16.
364 – 28 =
336
2
|
|
17.
427 + 557 =
984
2
|
18.
643 + 334 =
2
977
|
19.
940 – 203 =
737
2
|
20.
328 – 160 =
2
168
|