Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
646 + 101 =
2
747
|
2.
749 – 539 =
2
210
|
3.
803 + 100 =
903
2
|
4.
928 – 709 =
2
219
|
|
5.
995 – 979 =
2
16
|
6.
902 – 873 =
29
2
|
7.
387 – 364 =
23
2
|
8.
729 – 235 =
494
2
|
|
9.
438 – 79 =
359
2
|
10.
36 + 584 =
620
2
|
11.
423 + 544 =
967
2
|
12.
429 – 318 =
111
2
|
|
13.
289 + 2 =
2
291
|
14.
44 – 9 =
35
2
|
15.
863 + 101 =
2
964
|
16.
98 + 327 =
425
2
|
|
17.
995 – 489 =
2
506
|
18.
606 + 152 =
758
2
|
19.
23 + 486 =
509
2
|
20.
644 – 300 =
344
2
|