Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
683 + 110 =
3
793
4
2
|
2.
397 + 403 =
800
2
4
3
|
3.
979 + 4 =
3
2
983
4
|
4.
682 – 648 =
2
34
4
3
|
|
5.
590 – 534 =
4
3
56
2
|
6.
952 – 772 =
3
2
4
180
|
7.
878 + 83 =
3
4
2
961
|
8.
686 + 208 =
3
2
4
894
|
|
9.
937 + 53 =
4
3
2
990
|
10.
288 + 421 =
3
4
2
709
|
11.
255 – 105 =
3
2
4
150
|
12.
196 – 26 =
2
3
4
170
|
|
13.
407 + 397 =
3
2
804
4
|
14.
146 – 33 =
2
113
4
3
|
15.
255 – 31 =
3
4
224
2
|
16.
811 – 433 =
3
4
378
2
|
|
17.
753 – 25 =
728
3
2
4
|
18.
159 + 161 =
3
320
2
4
|
19.
733 + 93 =
3
826
4
2
|
20.
89 – 48 =
4
3
2
41
|