Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
850 – 426 =
2
424
|
2.
464 – 38 =
2
426
|
3.
471 + 35 =
506
2
|
4.
94 + 613 =
707
2
|
|
5.
756 + 11 =
2
767
|
6.
641 + 253 =
894
2
|
7.
537 + 102 =
639
2
|
8.
124 – 33 =
2
91
|
|
9.
81 + 460 =
2
541
|
10.
706 + 227 =
933
2
|
11.
762 + 95 =
857
2
|
12.
861 – 153 =
708
2
|
|
13.
113 + 229 =
2
342
|
14.
133 + 284 =
417
2
|
15.
209 – 188 =
2
21
|
16.
162 + 99 =
2
261
|
|
17.
869 – 274 =
595
2
|
18.
454 – 142 =
312
2
|
19.
714 – 273 =
441
2
|
20.
181 – 22 =
159
2
|