Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
693 – 310 =
2
383
|
2.
877 + 114 =
2
991
|
3.
479 + 388 =
867
2
|
4.
198 + 488 =
686
2
|
|
5.
613 + 254 =
2
867
|
6.
482 + 228 =
2
710
|
7.
458 + 516 =
974
2
|
8.
362 + 86 =
2
448
|
|
9.
367 + 569 =
2
936
|
10.
422 – 154 =
268
2
|
11.
266 – 144 =
122
2
|
12.
600 – 225 =
375
2
|
|
13.
236 + 576 =
2
812
|
14.
666 – 529 =
137
2
|
15.
749 + 4 =
2
753
|
16.
19 + 270 =
289
2
|
|
17.
180 – 12 =
2
168
|
18.
726 – 447 =
2
279
|
19.
900 + 40 =
2
940
|
20.
648 + 170 =
2
818
|