Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
323 – 289 =
2
34
|
2.
559 – 429 =
130
2
|
3.
411 – 129 =
282
2
|
4.
374 – 109 =
2
265
|
|
5.
867 + 108 =
2
975
|
6.
573 – 107 =
2
466
|
7.
818 + 6 =
824
2
|
8.
94 – 89 =
5
1
|
|
9.
515 – 473 =
2
42
|
10.
184 + 731 =
915
2
|
11.
653 – 502 =
151
2
|
12.
738 + 152 =
890
2
|
|
13.
918 – 259 =
659
2
|
14.
967 + 10 =
977
2
|
15.
430 + 428 =
2
858
|
16.
244 + 404 =
648
2
|
|
17.
398 – 110 =
288
2
|
18.
997 – 13 =
984
2
|
19.
233 – 216 =
17
2
|
20.
228 – 195 =
2
33
|