Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
979 + 16 =
995
4
2
3
|
2.
457 + 4 =
3
2
461
4
|
3.
717 + 243 =
4
3
960
2
|
4.
910 + 46 =
3
2
956
4
|
|
5.
451 + 492 =
2
943
3
4
|
6.
214 + 318 =
3
4
2
532
|
7.
270 – 146 =
3
124
2
4
|
8.
207 + 417 =
3
624
4
2
|
|
9.
639 – 555 =
2
3
84
4
|
10.
627 + 237 =
4
2
3
864
|
11.
567 + 214 =
3
4
2
781
|
12.
161 – 138 =
4
3
23
2
|
|
13.
817 + 62 =
2
3
4
879
|
14.
458 + 56 =
514
2
4
3
|
15.
39 – 16 =
23
3
4
2
|
16.
910 + 71 =
3
4
981
2
|
|
17.
844 + 108 =
952
2
4
3
|
18.
941 + 46 =
3
4
2
987
|
19.
829 + 162 =
3
2
4
991
|
20.
431 + 376 =
2
4
807
3
|