Oefen de erbijsom en erafsom tot 1.000
In de mix
|
1.
75 + 347 =
422
2
|
2.
523 – 207 =
316
2
|
3.
463 – 106 =
2
357
|
4.
446 – 295 =
2
151
|
|
5.
910 + 39 =
949
2
|
6.
929 – 330 =
2
599
|
7.
385 – 182 =
203
2
|
8.
474 + 186 =
660
2
|
|
9.
699 – 320 =
379
2
|
10.
253 + 746 =
2
999
|
11.
183 – 2 =
181
2
|
12.
575 – 144 =
2
431
|
|
13.
512 – 498 =
14
1
|
14.
870 + 27 =
2
897
|
15.
429 – 22 =
2
407
|
16.
677 – 44 =
2
633
|
|
17.
207 – 112 =
2
95
|
18.
141 + 341 =
2
482
|
19.
322 – 189 =
133
2
|
20.
926 + 69 =
995
2
|