Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
149 + 779 =
4
2
3
928
|
2.
643 + 73 =
4
2
716
3
|
3.
395 – 147 =
4
248
3
2
|
4.
523 + 422 =
3
2
945
4
|
|
5.
756 + 84 =
2
4
840
3
|
6.
540 + 198 =
3
738
4
2
|
7.
358 – 44 =
3
4
2
314
|
8.
31 – 8 =
3
4
23
2
|
|
9.
671 + 79 =
4
3
2
750
|
10.
552 – 20 =
2
3
532
4
|
11.
16 + 122 =
2
138
3
4
|
12.
740 + 227 =
967
3
4
2
|
|
13.
159 + 327 =
2
3
4
486
|
14.
212 – 69 =
143
3
2
4
|
15.
329 – 45 =
3
4
2
284
|
16.
166 – 21 =
2
3
145
4
|
|
17.
39 + 215 =
254
3
4
2
|
18.
885 + 98 =
4
3
2
983
|
19.
871 + 81 =
4
952
3
2
|
20.
450 + 283 =
4
733
2
3
|