Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
951 – 310 =
641
2
|
2.
335 + 460 =
795
2
|
3.
147 – 11 =
2
136
|
4.
636 – 105 =
2
531
|
|
5.
911 – 490 =
2
421
|
6.
636 + 323 =
959
2
|
7.
483 + 74 =
2
557
|
8.
287 – 120 =
2
167
|
|
9.
903 + 18 =
2
921
|
10.
718 + 240 =
2
958
|
11.
476 – 88 =
388
2
|
12.
433 – 425 =
1
8
|
|
13.
690 + 161 =
851
2
|
14.
546 – 512 =
34
2
|
15.
187 + 215 =
402
2
|
16.
405 + 342 =
2
747
|
|
17.
650 + 28 =
2
678
|
18.
651 – 552 =
99
2
|
19.
955 – 902 =
53
2
|
20.
927 + 12 =
939
2
|