Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
947 – 257 =
2
690
|
2.
642 + 219 =
2
861
|
3.
10 + 504 =
514
2
|
4.
414 + 208 =
2
622
|
|
5.
545 – 189 =
2
356
|
6.
637 – 235 =
2
402
|
7.
795 – 654 =
2
141
|
8.
283 – 227 =
2
56
|
|
9.
702 – 448 =
254
2
|
10.
246 + 525 =
2
771
|
11.
907 + 10 =
917
2
|
12.
278 – 161 =
2
117
|
|
13.
468 + 131 =
599
2
|
14.
171 + 75 =
2
246
|
15.
452 – 151 =
2
301
|
16.
708 + 125 =
833
2
|
|
17.
482 – 60 =
422
2
|
18.
643 + 105 =
2
748
|
19.
270 – 133 =
137
2
|
20.
570 – 139 =
431
2
|