Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
378 + 191 =
4
2
569
3
|
2.
301 + 266 =
4
3
567
2
|
3.
566 + 410 =
2
3
4
976
|
4.
466 + 434 =
2
4
900
3
|
|
5.
969 – 169 =
2
800
3
4
|
6.
590 + 311 =
3
901
2
4
|
7.
560 – 380 =
180
2
3
4
|
8.
402 + 266 =
2
3
668
4
|
|
9.
807 – 405 =
2
3
4
402
|
10.
413 + 297 =
2
4
3
710
|
11.
895 + 69 =
3
964
2
4
|
12.
812 + 144 =
3
2
956
4
|
|
13.
22 – 12 =
2
10
1
3
|
14.
515 + 85 =
600
2
3
4
|
15.
68 + 39 =
3
107
4
2
|
16.
879 + 34 =
913
2
4
3
|
|
17.
743 + 140 =
4
3
883
2
|
18.
429 + 330 =
3
759
2
4
|
19.
792 – 718 =
2
4
74
3
|
20.
504 – 1 =
503
4
2
3
|