Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
681 + 18 =
699
2
3
4
|
2.
793 + 105 =
4
2
898
3
|
3.
617 + 199 =
4
3
816
2
|
4.
194 – 121 =
2
4
73
3
|
|
5.
999 + 1 =
4
2
1000
3
|
6.
301 + 678 =
979
2
4
3
|
7.
383 + 365 =
2
4
748
3
|
8.
222 – 150 =
4
72
3
2
|
|
9.
969 + 0 =
4
3
969
2
|
10.
82 – 24 =
3
4
2
58
|
11.
653 – 476 =
3
4
2
177
|
12.
14 + 629 =
4
3
643
2
|
|
13.
190 – 190 =
2
0
3
4
|
14.
816 + 94 =
910
2
3
4
|
15.
660 + 213 =
4
873
2
3
|
16.
899 – 284 =
2
3
4
615
|
|
17.
142 – 120 =
2
3
4
22
|
18.
667 + 321 =
3
4
988
2
|
19.
270 – 139 =
3
4
2
131
|
20.
76 + 286 =
4
2
3
362
|