Erbij en eraf tot 1.000
In de mix
|
1.
423 – 311 =
112
2
|
2.
21 + 823 =
844
2
|
3.
58 – 45 =
13
1
|
4.
286 – 163 =
2
123
|
|
5.
381 – 67 =
314
2
|
6.
92 + 182 =
2
274
|
7.
831 + 161 =
992
2
|
8.
754 – 684 =
2
70
|
|
9.
957 + 12 =
969
2
|
10.
826 + 63 =
889
2
|
11.
520 + 438 =
2
958
|
12.
47 – 13 =
2
34
|
|
13.
320 – 108 =
212
2
|
14.
719 + 12 =
731
2
|
15.
432 – 9 =
2
423
|
16.
794 – 345 =
449
2
|
|
17.
146 + 68 =
214
2
|
18.
449 – 154 =
2
295
|
19.
31 – 6 =
2
25
|
20.
267 + 321 =
588
2
|