Oefen de erbijsom en erafsom tot 1.000
In de mix
|
1.
919 + 29 =
2
948
|
2.
567 – 296 =
271
2
|
3.
366 – 42 =
2
324
|
4.
552 + 355 =
2
907
|
|
5.
280 – 55 =
225
2
|
6.
661 + 290 =
951
2
|
7.
354 + 360 =
2
714
|
8.
43 – 7 =
36
2
|
|
9.
14 + 290 =
304
2
|
10.
297 + 494 =
791
2
|
11.
430 – 379 =
2
51
|
12.
808 + 147 =
955
2
|
|
13.
942 + 55 =
2
997
|
14.
981 + 3 =
984
2
|
15.
339 + 135 =
2
474
|
16.
82 – 60 =
2
22
|
|
17.
294 + 216 =
2
510
|
18.
263 – 150 =
2
113
|
19.
897 + 78 =
975
2
|
20.
699 – 294 =
2
405
|