Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
313 – 181 =
3
2
4
132
|
2.
626 + 227 =
853
2
3
4
|
3.
445 + 474 =
4
919
3
2
|
4.
309 – 124 =
4
185
2
3
|
|
5.
920 – 905 =
3
15
2
1
|
6.
631 – 557 =
74
3
2
4
|
7.
71 – 59 =
12
1
3
2
|
8.
827 – 663 =
2
4
164
3
|
|
9.
139 + 138 =
3
4
277
2
|
10.
905 – 445 =
2
460
3
4
|
11.
313 – 207 =
3
2
4
106
|
12.
509 + 26 =
4
2
535
3
|
|
13.
953 + 3 =
956
2
3
4
|
14.
762 + 176 =
938
2
4
3
|
15.
518 + 99 =
2
4
617
3
|
16.
568 + 199 =
4
2
3
767
|
|
17.
210 + 30 =
4
2
3
240
|
18.
93 + 345 =
2
4
438
3
|
19.
377 – 302 =
3
2
75
4
|
20.
455 + 478 =
2
3
4
933
|