Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
979 – 230 =
2
749
|
2.
400 – 359 =
2
41
|
3.
155 + 736 =
891
2
|
4.
234 – 233 =
1
2
|
|
5.
877 + 7 =
2
884
|
6.
439 – 22 =
417
2
|
7.
51 – 31 =
20
2
|
8.
697 – 649 =
2
48
|
|
9.
722 – 581 =
141
2
|
10.
270 – 230 =
2
40
|
11.
911 + 55 =
966
2
|
12.
202 + 153 =
2
355
|
|
13.
632 + 172 =
2
804
|
14.
748 + 160 =
2
908
|
15.
866 + 48 =
2
914
|
16.
850 + 112 =
2
962
|
|
17.
443 – 429 =
1
14
|
18.
858 + 96 =
954
2
|
19.
930 + 45 =
2
975
|
20.
970 + 8 =
978
2
|