Maak de erbijsom en erafsom tot 1.000
In de mix
|
1.
509 – 278 =
231
2
|
2.
222 – 127 =
95
2
|
3.
208 – 179 =
29
2
|
4.
67 – 53 =
14
1
|
|
5.
96 + 461 =
2
557
|
6.
129 – 20 =
2
109
|
7.
1 – 1 =
2
0
|
8.
536 – 150 =
386
2
|
|
9.
817 + 60 =
2
877
|
10.
583 – 127 =
2
456
|
11.
738 + 205 =
943
2
|
12.
365 – 43 =
322
2
|
|
13.
110 + 92 =
2
202
|
14.
910 – 729 =
181
2
|
15.
373 + 243 =
616
2
|
16.
251 – 214 =
2
37
|
|
17.
524 – 64 =
460
2
|
18.
36 – 18 =
2
18
|
19.
216 – 208 =
1
8
|
20.
494 – 167 =
2
327
|