Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
714 + 286 =
3
4
1000
2
|
2.
903 – 381 =
4
522
3
2
|
3.
412 – 212 =
200
3
2
4
|
4.
106 – 13 =
4
3
2
93
|
|
5.
98 + 277 =
3
375
4
2
|
6.
171 + 464 =
4
2
3
635
|
7.
338 – 158 =
4
2
3
180
|
8.
274 – 156 =
4
2
3
118
|
|
9.
271 + 68 =
2
3
339
4
|
10.
575 – 316 =
3
259
2
4
|
11.
665 + 155 =
4
3
2
820
|
12.
676 – 77 =
2
3
599
4
|
|
13.
94 + 622 =
4
716
2
3
|
14.
863 – 164 =
4
2
699
3
|
15.
969 – 460 =
3
509
4
2
|
16.
500 – 157 =
3
4
343
2
|
|
17.
742 – 75 =
2
3
4
667
|
18.
22 – 0 =
22
2
3
4
|
19.
855 – 436 =
4
3
2
419
|
20.
142 + 385 =
527
4
2
3
|