Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
984 – 494 =
2
490
|
2.
508 + 203 =
711
2
|
3.
488 – 16 =
2
472
|
4.
986 + 8 =
2
994
|
|
5.
375 – 134 =
241
2
|
6.
251 – 129 =
2
122
|
7.
941 + 20 =
2
961
|
8.
265 – 234 =
2
31
|
|
9.
778 – 266 =
2
512
|
10.
969 + 20 =
2
989
|
11.
943 – 465 =
478
2
|
12.
598 – 157 =
441
2
|
|
13.
765 + 32 =
797
2
|
14.
634 + 117 =
751
2
|
15.
145 + 330 =
2
475
|
16.
169 + 705 =
874
2
|
|
17.
555 + 238 =
2
793
|
18.
875 – 26 =
849
2
|
19.
24 – 15 =
9
1
|
20.
900 + 20 =
920
2
|