Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
836 – 834 =
2
1
|
2.
643 – 455 =
188
2
|
3.
274 + 126 =
400
2
|
4.
142 – 2 =
2
140
|
|
5.
11 – 4 =
1
7
|
6.
108 – 20 =
88
2
|
7.
731 + 266 =
2
997
|
8.
387 + 400 =
2
787
|
|
9.
492 + 323 =
2
815
|
10.
403 + 52 =
455
2
|
11.
566 + 292 =
2
858
|
12.
938 + 13 =
2
951
|
|
13.
813 – 373 =
440
2
|
14.
32 + 321 =
2
353
|
15.
438 – 192 =
2
246
|
16.
999 – 485 =
514
2
|
|
17.
870 – 660 =
210
2
|
18.
427 + 108 =
535
2
|
19.
419 + 511 =
930
2
|
20.
63 – 31 =
32
2
|