Erbij en eraf tot 1.000
In de mix
|
1.
424 – 76 =
348
2
|
2.
386 + 5 =
2
391
|
3.
156 + 428 =
2
584
|
4.
568 – 347 =
2
221
|
|
5.
285 + 219 =
504
2
|
6.
121 – 22 =
99
2
|
7.
71 – 39 =
32
2
|
8.
233 – 192 =
41
2
|
|
9.
471 – 187 =
2
284
|
10.
408 – 309 =
2
99
|
11.
590 – 208 =
382
2
|
12.
301 – 134 =
167
2
|
|
13.
757 – 427 =
2
330
|
14.
290 + 699 =
989
2
|
15.
823 + 55 =
878
2
|
16.
287 – 63 =
2
224
|
|
17.
58 + 864 =
922
2
|
18.
797 – 220 =
2
577
|
19.
72 – 67 =
5
1
|
20.
600 – 222 =
378
2
|