Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
236 – 44 =
192
4
2
3
|
2.
457 + 313 =
4
2
3
770
|
3.
817 + 171 =
3
2
4
988
|
4.
400 – 282 =
118
3
2
4
|
|
5.
89 + 111 =
4
200
2
3
|
6.
285 – 83 =
202
4
2
3
|
7.
259 + 636 =
4
2
3
895
|
8.
187 – 165 =
3
22
2
4
|
|
9.
637 – 474 =
163
4
3
2
|
10.
447 + 336 =
2
4
783
3
|
11.
420 + 213 =
633
4
3
2
|
12.
725 + 77 =
2
3
4
802
|
|
13.
962 – 312 =
650
2
3
4
|
14.
516 – 163 =
3
353
4
2
|
15.
954 – 546 =
2
408
3
4
|
16.
7 – 5 =
3
2
4
1
|
|
17.
29 + 759 =
788
3
4
2
|
18.
45 – 6 =
4
2
3
39
|
19.
208 + 613 =
3
821
2
4
|
20.
602 – 407 =
3
4
195
2
|