Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
329 – 275 =
54
2
|
2.
413 + 375 =
2
788
|
3.
52 – 35 =
17
2
|
4.
84 – 18 =
2
66
|
|
5.
395 + 181 =
2
576
|
6.
746 – 190 =
2
556
|
7.
107 – 10 =
2
97
|
8.
718 – 702 =
16
2
|
|
9.
753 + 152 =
2
905
|
10.
523 – 279 =
2
244
|
11.
892 + 77 =
969
2
|
12.
818 + 67 =
885
2
|
|
13.
647 + 247 =
894
2
|
14.
967 + 15 =
982
2
|
15.
45 + 55 =
2
100
|
16.
522 – 507 =
15
1
|
|
17.
286 + 115 =
2
401
|
18.
650 + 332 =
982
2
|
19.
436 – 351 =
2
85
|
20.
227 + 589 =
816
2
|