Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
544 + 425 =
2
3
969
4
|
2.
859 – 316 =
4
2
3
543
|
3.
73 + 588 =
4
3
661
2
|
4.
109 – 81 =
3
28
4
2
|
|
5.
654 – 370 =
2
4
284
3
|
6.
447 – 208 =
239
4
3
2
|
7.
681 + 271 =
2
3
952
4
|
8.
47 – 22 =
25
2
4
3
|
|
9.
859 + 103 =
3
4
962
2
|
10.
585 – 151 =
434
2
4
3
|
11.
824 + 151 =
975
3
2
4
|
12.
765 – 216 =
4
549
3
2
|
|
13.
660 + 213 =
873
4
2
3
|
14.
940 + 56 =
3
4
2
996
|
15.
739 – 190 =
3
4
549
2
|
16.
102 – 80 =
4
3
22
2
|
|
17.
407 + 263 =
3
2
4
670
|
18.
699 + 259 =
4
958
2
3
|
19.
539 + 310 =
2
4
849
3
|
20.
219 + 706 =
4
2
925
3
|