Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
939 – 719 =
220
2
|
2.
400 + 113 =
513
2
|
3.
169 + 4 =
2
173
|
4.
743 + 143 =
886
2
|
|
5.
989 + 0 =
989
2
|
6.
859 – 364 =
495
2
|
7.
733 – 427 =
306
2
|
8.
775 – 697 =
2
78
|
|
9.
713 + 21 =
734
2
|
10.
461 + 212 =
673
2
|
11.
379 + 260 =
639
2
|
12.
582 + 69 =
651
2
|
|
13.
139 – 137 =
1
2
|
14.
796 – 775 =
2
21
|
15.
400 + 546 =
946
2
|
16.
423 + 531 =
2
954
|
|
17.
292 + 170 =
462
2
|
18.
710 + 106 =
2
816
|
19.
171 – 161 =
1
10
|
20.
608 + 116 =
724
2
|