Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
492 + 29 =
521
4
2
3
|
2.
214 – 183 =
3
2
31
4
|
3.
897 + 88 =
3
4
985
2
|
4.
91 + 669 =
2
3
4
760
|
|
5.
486 + 503 =
989
2
4
3
|
6.
14 + 660 =
4
3
2
674
|
7.
650 – 166 =
484
3
2
4
|
8.
899 + 19 =
2
4
3
918
|
|
9.
770 – 585 =
185
2
4
3
|
10.
548 – 111 =
4
437
2
3
|
11.
84 + 5 =
3
2
4
89
|
12.
612 + 151 =
4
3
2
763
|
|
13.
111 – 109 =
2
1
4
3
|
14.
851 – 375 =
3
2
4
476
|
15.
234 – 77 =
4
2
3
157
|
16.
370 – 270 =
100
4
2
3
|
|
17.
20 – 10 =
1
10
2
3
|
18.
312 – 285 =
3
27
4
2
|
19.
831 + 147 =
4
3
978
2
|
20.
296 + 556 =
4
852
3
2
|