Oefen de erbijsom en erafsom tot 1.000

In de mix
1.
375 + 509 =
2
884
2.
253 159 =
94
2
3.
198 169 =
2
29
4.
275 167 =
108
2
5.
49 27 =
2
22
6.
317 119 =
2
198
7.
913 + 71 =
984
2
8.
543 + 216 =
2
759
9.
838 794 =
44
2
10.
436 + 392 =
828
2
11.
24 13 =
11
1
12.
727 + 69 =
2
796
13.
845 230 =
2
615
14.
685 + 269 =
954
2
15.
365 + 43 =
408
2
16.
589 + 38 =
2
627
17.
233 + 68 =
2
301
18.
157 68 =
89
2
19.
906 + 31 =
937
2
20.
867 + 48 =
915
2

Oefen de erbijsom en erafsom tot 1.000
| ANTWOORDEN

In de mix
1.
375 + 509 =
2
884
2.
253 159 =
94
2
3.
198 169 =
2
29
4.
275 167 =
108
2
5.
49 27 =
2
22
6.
317 119 =
2
198
7.
913 + 71 =
984
2
8.
543 + 216 =
2
759
9.
838 794 =
44
2
10.
436 + 392 =
828
2
11.
24 13 =
11
1
12.
727 + 69 =
2
796
13.
845 230 =
2
615
14.
685 + 269 =
954
2
15.
365 + 43 =
408
2
16.
589 + 38 =
2
627
17.
233 + 68 =
2
301
18.
157 68 =
89
2
19.
906 + 31 =
937
2
20.
867 + 48 =
915
2