Maak de erbijsom en erafsom tot 1.000
In de mix
|
1.
918 + 71 =
989
2
|
2.
173 – 90 =
2
83
|
3.
299 – 28 =
271
2
|
4.
286 + 233 =
2
519
|
|
5.
785 – 651 =
2
134
|
6.
45 – 31 =
1
14
|
7.
228 – 98 =
2
130
|
8.
462 + 499 =
2
961
|
|
9.
171 + 739 =
910
2
|
10.
646 – 235 =
2
411
|
11.
699 + 31 =
2
730
|
12.
222 + 671 =
893
2
|
|
13.
134 + 95 =
2
229
|
14.
611 – 112 =
499
2
|
15.
284 + 664 =
948
2
|
16.
517 – 484 =
33
2
|
|
17.
118 + 823 =
2
941
|
18.
131 – 98 =
2
33
|
19.
61 – 18 =
43
2
|
20.
134 + 485 =
2
619
|