Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
456 – 293 =
163
4
3
2
|
2.
420 + 140 =
4
560
3
2
|
3.
499 – 223 =
276
4
3
2
|
4.
236 – 38 =
3
198
4
2
|
|
5.
996 – 657 =
3
4
2
339
|
6.
857 + 132 =
3
2
4
989
|
7.
287 – 186 =
2
3
4
101
|
8.
643 + 35 =
678
3
4
2
|
|
9.
380 + 193 =
4
573
3
2
|
10.
183 – 117 =
3
4
66
2
|
11.
686 + 35 =
4
721
3
2
|
12.
797 – 452 =
345
4
3
2
|
|
13.
543 + 256 =
799
4
2
3
|
14.
994 + 5 =
3
999
2
4
|
15.
942 + 46 =
4
988
2
3
|
16.
290 – 106 =
4
3
184
2
|
|
17.
611 – 221 =
4
3
390
2
|
18.
890 – 178 =
2
3
4
712
|
19.
985 + 4 =
4
3
989
2
|
20.
622 + 105 =
727
2
3
4
|