Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
939 – 857 =
82
2
|
2.
454 + 81 =
2
535
|
3.
985 – 766 =
2
219
|
4.
152 + 352 =
504
2
|
|
5.
511 + 28 =
2
539
|
6.
356 + 394 =
750
2
|
7.
94 + 261 =
2
355
|
8.
165 + 25 =
190
2
|
|
9.
630 – 258 =
2
372
|
10.
346 – 320 =
26
2
|
11.
588 – 559 =
29
2
|
12.
448 + 59 =
2
507
|
|
13.
349 – 259 =
90
2
|
14.
5 – 4 =
1
2
|
15.
737 + 229 =
2
966
|
16.
625 – 593 =
32
2
|
|
17.
189 + 203 =
2
392
|
18.
627 + 34 =
661
2
|
19.
94 + 185 =
2
279
|
20.
872 + 36 =
2
908
|