Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
668 + 0 =
4
3
2
668
|
2.
606 + 191 =
4
2
797
3
|
3.
289 + 385 =
4
2
674
3
|
4.
998 + 1 =
4
3
2
999
|
|
5.
812 – 386 =
4
2
426
3
|
6.
550 – 365 =
4
3
2
185
|
7.
590 + 39 =
4
2
3
629
|
8.
997 + 0 =
4
2
997
3
|
|
9.
151 + 262 =
4
2
413
3
|
10.
922 + 78 =
4
3
1000
2
|
11.
563 – 61 =
4
502
3
2
|
12.
138 – 119 =
19
2
3
4
|
|
13.
878 + 81 =
4
3
2
959
|
14.
112 – 107 =
1
2
5
3
|
15.
91 + 521 =
4
2
3
612
|
16.
815 – 722 =
93
4
3
2
|
|
17.
977 – 182 =
795
3
4
2
|
18.
483 + 430 =
3
2
913
4
|
19.
174 + 302 =
476
2
4
3
|
20.
807 + 102 =
909
4
2
3
|