Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
978 – 828 =
3
2
150
4
|
2.
700 – 645 =
2
55
3
4
|
3.
395 – 342 =
4
2
3
53
|
4.
775 + 63 =
3
838
2
4
|
|
5.
386 + 266 =
3
652
4
2
|
6.
249 + 47 =
3
4
2
296
|
7.
881 + 13 =
894
4
3
2
|
8.
947 + 12 =
959
4
3
2
|
|
9.
944 – 224 =
3
2
720
4
|
10.
553 + 18 =
3
4
2
571
|
11.
405 – 298 =
4
2
107
3
|
12.
43 – 9 =
3
34
2
4
|
|
13.
91 + 160 =
3
251
4
2
|
14.
149 – 135 =
1
14
2
3
|
15.
56 – 43 =
1
3
2
13
|
16.
68 – 40 =
4
2
3
28
|
|
17.
673 + 321 =
3
4
994
2
|
18.
354 + 19 =
373
4
2
3
|
19.
125 + 43 =
3
168
4
2
|
20.
48 – 22 =
4
2
26
3
|