Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
749 – 172 =
2
577
|
2.
111 + 659 =
2
770
|
3.
351 – 280 =
2
71
|
4.
427 + 199 =
626
2
|
|
5.
877 – 512 =
2
365
|
6.
616 + 103 =
2
719
|
7.
739 – 186 =
2
553
|
8.
127 + 270 =
397
2
|
|
9.
46 + 89 =
2
135
|
10.
977 – 377 =
600
2
|
11.
799 + 10 =
809
2
|
12.
495 – 194 =
301
2
|
|
13.
345 + 408 =
753
2
|
14.
667 + 114 =
2
781
|
15.
760 – 335 =
425
2
|
16.
240 – 102 =
138
2
|
|
17.
698 + 191 =
889
2
|
18.
459 – 401 =
58
2
|
19.
760 – 279 =
481
2
|
20.
920 – 48 =
2
872
|