Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
946 + 11 =
957
2
|
2.
371 + 357 =
2
728
|
3.
122 – 77 =
45
2
|
4.
649 – 46 =
603
2
|
|
5.
839 + 42 =
881
2
|
6.
453 – 290 =
163
2
|
7.
29 – 29 =
0
2
|
8.
595 + 388 =
2
983
|
|
9.
335 + 332 =
2
667
|
10.
323 + 47 =
370
2
|
11.
939 + 27 =
2
966
|
12.
680 – 574 =
2
106
|
|
13.
677 + 18 =
695
2
|
14.
406 + 392 =
798
2
|
15.
297 – 59 =
238
2
|
16.
568 + 238 =
806
2
|
|
17.
150 + 32 =
2
182
|
18.
138 – 17 =
2
121
|
19.
31 + 667 =
698
2
|
20.
310 + 53 =
2
363
|