Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
264 + 128 =
3
4
2
392
|
2.
34 + 110 =
4
3
2
144
|
3.
479 + 472 =
951
2
4
3
|
4.
708 + 222 =
2
4
930
3
|
|
5.
531 – 496 =
35
3
4
2
|
6.
41 – 29 =
3
1
2
12
|
7.
588 + 100 =
3
2
4
688
|
8.
791 – 287 =
3
4
504
2
|
|
9.
26 – 5 =
3
4
2
21
|
10.
319 + 345 =
4
2
664
3
|
11.
117 – 6 =
111
2
4
3
|
12.
929 + 16 =
3
4
945
2
|
|
13.
397 + 31 =
428
2
4
3
|
14.
258 + 239 =
2
4
497
3
|
15.
849 – 809 =
3
40
4
2
|
16.
216 – 90 =
3
126
4
2
|
|
17.
652 – 510 =
3
2
4
142
|
18.
402 + 143 =
2
3
545
4
|
19.
573 + 69 =
4
2
3
642
|
20.
99 – 24 =
4
3
2
75
|