Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
217 – 89 =
2
128
|
2.
336 – 267 =
69
2
|
3.
331 – 156 =
2
175
|
4.
829 – 551 =
2
278
|
|
5.
870 + 64 =
2
934
|
6.
308 – 264 =
2
44
|
7.
144 – 104 =
40
2
|
8.
182 – 151 =
2
31
|
|
9.
885 + 41 =
2
926
|
10.
277 – 179 =
2
98
|
11.
148 + 82 =
2
230
|
12.
145 + 701 =
2
846
|
|
13.
872 + 91 =
963
2
|
14.
521 – 187 =
334
2
|
15.
509 – 14 =
495
2
|
16.
460 + 437 =
2
897
|
|
17.
921 – 899 =
22
2
|
18.
574 + 188 =
762
2
|
19.
983 + 11 =
994
2
|
20.
401 – 104 =
2
297
|