Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
389 + 3 =
392
2
4
3
|
2.
831 – 732 =
3
4
2
99
|
3.
665 + 148 =
4
2
813
3
|
4.
931 – 94 =
837
3
4
2
|
|
5.
398 – 141 =
3
4
2
257
|
6.
464 + 244 =
3
2
708
4
|
7.
779 – 611 =
2
168
4
3
|
8.
98 – 45 =
2
3
53
4
|
|
9.
387 – 23 =
3
2
4
364
|
10.
684 + 147 =
2
3
4
831
|
11.
710 + 39 =
2
749
4
3
|
12.
986 + 2 =
4
3
988
2
|
|
13.
790 – 628 =
3
162
2
4
|
14.
533 – 13 =
4
2
520
3
|
15.
329 – 326 =
4
2
1
3
|
16.
89 – 16 =
4
3
2
73
|
|
17.
219 – 137 =
3
82
4
2
|
18.
147 – 32 =
2
4
3
115
|
19.
516 – 77 =
439
4
3
2
|
20.
479 + 364 =
2
843
4
3
|