Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
346 + 334 =
680
4
2
3
|
2.
545 – 228 =
317
3
4
2
|
3.
770 + 101 =
2
3
4
871
|
4.
327 – 313 =
3
14
1
2
|
|
5.
183 – 127 =
56
2
4
3
|
6.
32 + 523 =
555
2
4
3
|
7.
329 – 203 =
3
2
4
126
|
8.
228 – 112 =
3
2
4
116
|
|
9.
113 + 241 =
354
4
2
3
|
10.
72 + 674 =
746
3
2
4
|
11.
468 – 206 =
262
4
3
2
|
12.
530 + 131 =
3
4
2
661
|
|
13.
952 + 36 =
988
2
3
4
|
14.
915 – 870 =
4
2
45
3
|
15.
500 + 385 =
4
3
885
2
|
16.
60 – 45 =
15
2
3
1
|
|
17.
903 + 66 =
4
3
2
969
|
18.
67 – 11 =
2
3
56
4
|
19.
763 + 100 =
3
2
4
863
|
20.
50 – 10 =
2
4
3
40
|