Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
195 – 124 =
71
2
|
2.
45 + 269 =
2
314
|
3.
78 – 10 =
68
2
|
4.
305 + 202 =
507
2
|
|
5.
331 – 214 =
117
2
|
6.
473 + 171 =
644
2
|
7.
398 – 131 =
2
267
|
8.
742 – 263 =
479
2
|
|
9.
552 + 215 =
767
2
|
10.
668 – 212 =
456
2
|
11.
396 + 473 =
869
2
|
12.
426 + 453 =
879
2
|
|
13.
87 + 636 =
2
723
|
14.
738 – 242 =
496
2
|
15.
393 – 364 =
2
29
|
16.
215 – 42 =
173
2
|
|
17.
39 – 15 =
24
2
|
18.
389 + 312 =
701
2
|
19.
54 – 51 =
1
3
|
20.
21 – 18 =
3
1
|