Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
344 – 86 =
258
2
|
2.
322 + 450 =
772
2
|
3.
626 – 235 =
2
391
|
4.
499 + 53 =
2
552
|
|
5.
342 – 20 =
322
2
|
6.
661 + 115 =
776
2
|
7.
575 – 312 =
2
263
|
8.
228 – 29 =
2
199
|
|
9.
744 – 290 =
2
454
|
10.
143 + 105 =
248
2
|
11.
742 – 78 =
2
664
|
12.
631 + 306 =
937
2
|
|
13.
535 – 225 =
310
2
|
14.
335 – 150 =
2
185
|
15.
117 – 105 =
1
12
|
16.
98 + 681 =
779
2
|
|
17.
253 + 117 =
370
2
|
18.
834 + 44 =
878
2
|
19.
488 – 185 =
2
303
|
20.
73 + 410 =
2
483
|