Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
589 – 32 =
557
2
|
2.
724 – 562 =
2
162
|
3.
486 + 370 =
856
2
|
4.
88 – 31 =
57
2
|
|
5.
160 + 428 =
2
588
|
6.
387 – 266 =
121
2
|
7.
610 + 128 =
738
2
|
8.
859 + 131 =
2
990
|
|
9.
599 – 275 =
2
324
|
10.
702 – 174 =
528
2
|
11.
858 – 536 =
2
322
|
12.
359 + 381 =
740
2
|
|
13.
114 + 627 =
2
741
|
14.
810 + 135 =
2
945
|
15.
666 + 83 =
2
749
|
16.
430 – 125 =
2
305
|
|
17.
152 + 565 =
2
717
|
18.
488 + 489 =
977
2
|
19.
360 + 376 =
736
2
|
20.
412 – 321 =
2
91
|