Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
796 – 574 =
4
222
2
3
|
2.
879 + 92 =
3
4
971
2
|
3.
699 – 482 =
217
2
4
3
|
4.
938 – 649 =
289
2
3
4
|
|
5.
147 + 165 =
4
312
3
2
|
6.
134 + 231 =
3
365
4
2
|
7.
367 + 250 =
617
2
3
4
|
8.
541 + 215 =
756
3
2
4
|
|
9.
718 + 123 =
3
841
4
2
|
10.
793 + 145 =
4
938
2
3
|
11.
975 + 17 =
4
3
992
2
|
12.
755 + 107 =
862
4
2
3
|
|
13.
659 + 112 =
771
4
2
3
|
14.
151 + 221 =
4
372
3
2
|
15.
878 – 247 =
2
3
4
631
|
16.
179 – 135 =
44
4
3
2
|
|
17.
35 + 910 =
3
4
945
2
|
18.
286 – 236 =
3
4
2
50
|
19.
777 – 99 =
678
3
4
2
|
20.
977 – 138 =
3
839
2
4
|