Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
802 + 178 =
980
4
3
2
|
2.
920 + 62 =
4
982
3
2
|
3.
585 + 98 =
4
2
683
3
|
4.
687 + 196 =
883
2
4
3
|
|
5.
392 – 313 =
2
3
4
79
|
6.
407 + 243 =
3
2
650
4
|
7.
46 + 479 =
525
2
4
3
|
8.
958 – 370 =
4
588
3
2
|
|
9.
313 – 198 =
4
115
2
3
|
10.
413 + 85 =
3
4
498
2
|
11.
840 + 81 =
4
3
921
2
|
12.
898 – 571 =
2
3
327
4
|
|
13.
478 – 454 =
3
4
2
24
|
14.
552 – 487 =
3
2
4
65
|
15.
403 + 323 =
726
2
4
3
|
16.
825 + 40 =
865
2
4
3
|
|
17.
918 + 49 =
967
4
2
3
|
18.
49 – 36 =
3
2
13
1
|
19.
927 – 664 =
263
4
2
3
|
20.
654 + 170 =
2
3
824
4
|