Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
806 – 321 =
485
2
|
2.
384 + 490 =
2
874
|
3.
629 – 320 =
309
2
|
4.
885 + 99 =
984
2
|
|
5.
555 + 391 =
946
2
|
6.
362 + 357 =
719
2
|
7.
433 – 402 =
31
2
|
8.
254 – 205 =
2
49
|
|
9.
912 + 58 =
2
970
|
10.
946 – 816 =
2
130
|
11.
964 – 524 =
2
440
|
12.
800 + 180 =
980
2
|
|
13.
286 + 76 =
2
362
|
14.
40 – 38 =
2
1
|
15.
552 + 68 =
620
2
|
16.
669 – 227 =
2
442
|
|
17.
336 + 473 =
2
809
|
18.
496 + 210 =
706
2
|
19.
483 + 263 =
746
2
|
20.
150 + 578 =
728
2
|