Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
148 – 14 =
4
3
2
134
|
2.
130 + 4 =
2
4
134
3
|
3.
97 – 84 =
13
2
3
1
|
4.
998 – 299 =
699
4
2
3
|
|
5.
807 – 369 =
3
4
438
2
|
6.
73 + 317 =
390
3
4
2
|
7.
707 – 79 =
4
628
2
3
|
8.
805 – 766 =
3
4
39
2
|
|
9.
111 – 51 =
3
4
2
60
|
10.
862 + 85 =
947
2
4
3
|
11.
683 + 136 =
4
2
3
819
|
12.
275 + 261 =
2
4
3
536
|
|
13.
976 + 10 =
4
986
3
2
|
14.
112 + 425 =
3
537
4
2
|
15.
867 + 63 =
3
930
2
4
|
16.
265 – 213 =
3
52
2
4
|
|
17.
411 + 472 =
4
883
2
3
|
18.
509 + 249 =
4
3
758
2
|
19.
82 – 27 =
4
55
3
2
|
20.
61 – 31 =
3
4
2
30
|