Oefen de erbijsom en erafsom tot 1.000
In de mix
|
1.
444 – 9 =
2
435
|
2.
547 – 101 =
2
446
|
3.
119 + 94 =
213
2
|
4.
375 + 587 =
962
2
|
|
5.
681 – 14 =
667
2
|
6.
868 – 297 =
2
571
|
7.
741 – 518 =
223
2
|
8.
611 + 222 =
833
2
|
|
9.
619 – 403 =
2
216
|
10.
255 + 172 =
427
2
|
11.
293 – 57 =
236
2
|
12.
833 – 240 =
593
2
|
|
13.
221 – 197 =
2
24
|
14.
210 – 25 =
185
2
|
15.
684 + 165 =
2
849
|
16.
973 + 6 =
979
2
|
|
17.
519 – 262 =
257
2
|
18.
622 + 124 =
2
746
|
19.
126 + 459 =
2
585
|
20.
415 + 136 =
551
2
|