Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
502 – 308 =
194
2
|
2.
789 – 728 =
2
61
|
3.
599 + 78 =
677
2
|
4.
639 – 149 =
2
490
|
|
5.
806 + 98 =
904
2
|
6.
290 – 121 =
169
2
|
7.
682 – 510 =
2
172
|
8.
614 – 613 =
1
2
|
|
9.
916 – 553 =
363
2
|
10.
175 – 59 =
116
2
|
11.
297 – 235 =
2
62
|
12.
323 – 310 =
13
1
|
|
13.
529 + 154 =
2
683
|
14.
470 – 177 =
293
2
|
15.
383 – 333 =
2
50
|
16.
810 – 63 =
747
2
|
|
17.
345 – 75 =
2
270
|
18.
554 – 8 =
2
546
|
19.
101 – 4 =
2
97
|
20.
952 + 26 =
978
2
|