Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
715 – 629 =
3
2
86
4
|
2.
709 + 60 =
4
769
2
3
|
3.
316 – 136 =
4
3
180
2
|
4.
984 + 8 =
2
4
3
992
|
|
5.
647 – 129 =
518
3
4
2
|
6.
629 + 77 =
3
2
706
4
|
7.
836 + 63 =
899
4
3
2
|
8.
361 – 250 =
4
2
3
111
|
|
9.
98 – 3 =
3
95
4
2
|
10.
491 + 450 =
941
3
2
4
|
11.
26 + 10 =
3
36
2
4
|
12.
222 – 39 =
2
4
183
3
|
|
13.
249 – 135 =
3
114
4
2
|
14.
330 + 77 =
407
3
2
4
|
15.
820 + 88 =
908
4
3
2
|
16.
417 + 84 =
3
2
501
4
|
|
17.
220 – 58 =
162
4
3
2
|
18.
27 – 9 =
4
2
3
18
|
19.
846 + 141 =
4
987
3
2
|
20.
899 + 83 =
3
2
4
982
|