Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
813 – 257 =
2
556
|
2.
877 + 45 =
2
922
|
3.
172 – 151 =
21
2
|
4.
877 – 659 =
218
2
|
|
5.
822 – 396 =
2
426
|
6.
836 + 34 =
2
870
|
7.
899 + 15 =
2
914
|
8.
161 – 120 =
41
2
|
|
9.
128 – 101 =
2
27
|
10.
229 + 324 =
553
2
|
11.
227 – 49 =
2
178
|
12.
676 + 97 =
773
2
|
|
13.
140 + 623 =
2
763
|
14.
788 – 762 =
2
26
|
15.
420 – 111 =
309
2
|
16.
814 – 776 =
38
2
|
|
17.
189 + 114 =
2
303
|
18.
822 + 31 =
853
2
|
19.
639 – 261 =
378
2
|
20.
963 + 35 =
2
998
|