Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
540 – 52 =
2
488
|
2.
539 – 91 =
448
2
|
3.
774 – 338 =
436
2
|
4.
878 + 88 =
2
966
|
|
5.
842 + 65 =
907
2
|
6.
479 – 136 =
2
343
|
7.
401 – 169 =
232
2
|
8.
235 + 141 =
2
376
|
|
9.
525 – 269 =
256
2
|
10.
124 + 124 =
248
2
|
11.
75 + 747 =
822
2
|
12.
435 + 287 =
722
2
|
|
13.
424 + 315 =
2
739
|
14.
797 + 145 =
2
942
|
15.
609 – 275 =
334
2
|
16.
787 + 9 =
796
2
|
|
17.
492 + 88 =
580
2
|
18.
386 – 377 =
1
9
|
19.
960 – 638 =
2
322
|
20.
120 + 159 =
2
279
|