Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
416 – 177 =
239
2
|
2.
144 – 117 =
2
27
|
3.
216 + 617 =
2
833
|
4.
770 + 207 =
2
977
|
|
5.
198 – 87 =
2
111
|
6.
785 + 96 =
2
881
|
7.
94 + 159 =
253
2
|
8.
533 + 434 =
967
2
|
|
9.
763 + 24 =
787
2
|
10.
335 – 181 =
154
2
|
11.
439 – 388 =
51
2
|
12.
790 + 30 =
2
820
|
|
13.
422 + 156 =
2
578
|
14.
247 – 1 =
2
246
|
15.
409 – 51 =
2
358
|
16.
407 + 144 =
551
2
|
|
17.
524 + 5 =
529
2
|
18.
721 – 106 =
2
615
|
19.
549 + 398 =
2
947
|
20.
940 – 197 =
2
743
|