Maak de erbijsom en erafsom tot 1.000
In de mix
|
1.
677 + 73 =
750
2
|
2.
356 – 67 =
289
2
|
3.
55 + 591 =
2
646
|
4.
569 + 328 =
2
897
|
|
5.
899 – 896 =
1
3
|
6.
703 + 112 =
2
815
|
7.
751 + 53 =
804
2
|
8.
238 + 64 =
2
302
|
|
9.
933 – 579 =
354
2
|
10.
174 – 103 =
71
2
|
11.
521 + 356 =
877
2
|
12.
179 – 5 =
2
174
|
|
13.
752 – 140 =
612
2
|
14.
164 – 74 =
2
90
|
15.
231 – 12 =
2
219
|
16.
575 – 116 =
459
2
|
|
17.
531 + 280 =
811
2
|
18.
413 + 304 =
2
717
|
19.
252 – 147 =
2
105
|
20.
845 + 118 =
963
2
|