Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
379 – 109 =
2
270
|
2.
171 – 94 =
77
2
|
3.
271 – 264 =
1
7
|
4.
613 + 300 =
2
913
|
|
5.
217 – 39 =
178
2
|
6.
438 – 247 =
2
191
|
7.
288 + 613 =
901
2
|
8.
623 + 242 =
2
865
|
|
9.
477 – 215 =
262
2
|
10.
166 + 63 =
229
2
|
11.
378 + 90 =
2
468
|
12.
243 + 562 =
2
805
|
|
13.
868 + 40 =
908
2
|
14.
770 – 556 =
2
214
|
15.
60 – 54 =
6
1
|
16.
697 – 304 =
2
393
|
|
17.
12 – 6 =
6
1
|
18.
125 – 93 =
32
2
|
19.
558 – 67 =
2
491
|
20.
603 + 7 =
2
610
|