Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
810 – 345 =
465
2
|
2.
748 + 32 =
2
780
|
3.
780 + 58 =
2
838
|
4.
58 + 863 =
921
2
|
|
5.
821 – 717 =
104
2
|
6.
354 – 271 =
83
2
|
7.
70 + 343 =
413
2
|
8.
815 – 35 =
2
780
|
|
9.
236 + 194 =
2
430
|
10.
174 – 34 =
2
140
|
11.
19 – 5 =
1
14
|
12.
101 – 55 =
46
2
|
|
13.
591 + 408 =
2
999
|
14.
139 – 68 =
71
2
|
15.
68 + 449 =
517
2
|
16.
412 + 194 =
2
606
|
|
17.
440 + 536 =
2
976
|
18.
912 – 605 =
307
2
|
19.
435 – 162 =
2
273
|
20.
678 + 318 =
2
996
|