Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
609 – 585 =
24
2
|
2.
577 + 117 =
2
694
|
3.
339 + 447 =
2
786
|
4.
279 – 89 =
2
190
|
|
5.
575 – 522 =
2
53
|
6.
565 + 357 =
2
922
|
7.
100 – 32 =
68
2
|
8.
599 + 188 =
787
2
|
|
9.
346 – 197 =
149
2
|
10.
479 – 451 =
2
28
|
11.
231 – 200 =
2
31
|
12.
117 – 106 =
11
1
|
|
13.
927 + 9 =
936
2
|
14.
121 + 28 =
2
149
|
15.
286 – 93 =
2
193
|
16.
954 – 151 =
2
803
|
|
17.
733 + 127 =
860
2
|
18.
235 + 499 =
2
734
|
19.
162 – 111 =
51
2
|
20.
34 + 8 =
2
42
|