Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
245 – 142 =
103
2
|
2.
170 + 282 =
452
2
|
3.
492 + 315 =
2
807
|
4.
640 – 198 =
2
442
|
|
5.
792 – 462 =
2
330
|
6.
680 + 307 =
2
987
|
7.
714 + 70 =
784
2
|
8.
815 – 737 =
78
2
|
|
9.
2 + 578 =
580
2
|
10.
208 – 191 =
17
2
|
11.
879 + 90 =
969
2
|
12.
226 – 22 =
2
204
|
|
13.
747 + 235 =
982
2
|
14.
895 + 13 =
908
2
|
15.
684 + 137 =
821
2
|
16.
411 – 197 =
214
2
|
|
17.
593 + 4 =
597
2
|
18.
562 + 155 =
717
2
|
19.
1000 – 415 =
585
2
|
20.
732 + 264 =
2
996
|