Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
200 + 290 =
3
2
4
490
|
2.
255 – 127 =
4
2
128
3
|
3.
438 + 91 =
4
2
529
3
|
4.
109 – 94 =
1
3
2
15
|
|
5.
120 – 52 =
68
3
2
4
|
6.
805 + 128 =
4
3
2
933
|
7.
110 + 160 =
2
4
270
3
|
8.
873 – 831 =
3
4
2
42
|
|
9.
640 + 192 =
3
2
832
4
|
10.
143 – 136 =
2
7
3
1
|
11.
137 + 446 =
4
3
2
583
|
12.
84 + 340 =
424
2
4
3
|
|
13.
165 + 482 =
647
3
4
2
|
14.
265 – 47 =
2
3
218
4
|
15.
498 – 111 =
4
387
2
3
|
16.
741 + 174 =
2
4
3
915
|
|
17.
327 + 575 =
2
4
3
902
|
18.
200 + 629 =
4
3
829
2
|
19.
960 – 724 =
2
3
236
4
|
20.
746 + 139 =
4
3
885
2
|