Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
463 – 2 =
3
461
2
4
|
2.
312 – 159 =
4
153
2
3
|
3.
279 – 90 =
189
4
2
3
|
4.
633 + 202 =
2
3
4
835
|
|
5.
743 – 354 =
4
2
389
3
|
6.
229 – 39 =
2
190
3
4
|
7.
943 – 341 =
602
3
2
4
|
8.
728 – 609 =
119
3
4
2
|
|
9.
325 – 17 =
4
3
308
2
|
10.
546 – 95 =
2
4
451
3
|
11.
9 + 975 =
4
984
3
2
|
12.
90 + 375 =
465
4
3
2
|
|
13.
282 – 107 =
4
3
175
2
|
14.
583 + 302 =
4
885
2
3
|
15.
277 – 197 =
4
2
80
3
|
16.
550 – 187 =
3
4
363
2
|
|
17.
552 + 358 =
2
3
910
4
|
18.
902 + 78 =
4
2
3
980
|
19.
581 + 91 =
2
3
4
672
|
20.
945 – 739 =
2
3
206
4
|