Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
804 – 158 =
4
3
2
646
|
2.
449 + 431 =
2
880
4
3
|
3.
75 + 326 =
3
2
401
4
|
4.
789 – 136 =
4
653
2
3
|
|
5.
373 + 141 =
514
3
2
4
|
6.
800 + 191 =
2
991
4
3
|
7.
876 – 760 =
2
116
4
3
|
8.
459 – 296 =
163
2
4
3
|
|
9.
458 – 79 =
379
4
3
2
|
10.
388 + 567 =
2
955
3
4
|
11.
641 – 233 =
3
2
4
408
|
12.
361 – 299 =
3
4
62
2
|
|
13.
374 – 76 =
4
2
3
298
|
14.
435 – 226 =
209
2
4
3
|
15.
157 + 181 =
4
338
2
3
|
16.
745 + 136 =
2
4
881
3
|
|
17.
738 – 611 =
3
4
127
2
|
18.
48 – 12 =
36
2
4
3
|
19.
211 – 209 =
3
4
1
2
|
20.
336 – 294 =
42
4
2
3
|