Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
901 + 21 =
922
3
4
2
|
2.
394 + 463 =
857
3
4
2
|
3.
382 + 502 =
884
2
4
3
|
4.
128 – 74 =
3
4
54
2
|
|
5.
893 – 283 =
4
610
2
3
|
6.
338 + 394 =
2
3
4
732
|
7.
523 + 147 =
670
2
4
3
|
8.
827 + 128 =
955
4
2
3
|
|
9.
791 + 34 =
4
825
3
2
|
10.
252 + 590 =
4
3
842
2
|
11.
833 – 535 =
298
2
4
3
|
12.
786 + 144 =
930
4
3
2
|
|
13.
993 + 4 =
997
2
4
3
|
14.
819 + 57 =
876
3
2
4
|
15.
490 + 251 =
4
2
3
741
|
16.
577 – 491 =
2
4
3
86
|
|
17.
933 + 57 =
2
4
990
3
|
18.
160 – 30 =
3
2
4
130
|
19.
2 + 877 =
3
879
2
4
|
20.
778 + 117 =
2
4
895
3
|