Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
342 + 158 =
3
2
4
500
|
2.
342 + 7 =
349
3
4
2
|
3.
382 + 64 =
4
3
2
446
|
4.
939 + 55 =
2
994
3
4
|
|
5.
357 – 352 =
2
3
5
1
|
6.
303 – 66 =
4
3
2
237
|
7.
826 – 263 =
3
563
2
4
|
8.
407 – 73 =
334
2
3
4
|
|
9.
895 – 94 =
3
4
801
2
|
10.
902 + 83 =
985
4
2
3
|
11.
290 – 262 =
3
28
4
2
|
12.
99 – 90 =
2
1
3
9
|
|
13.
545 – 302 =
2
4
243
3
|
14.
905 + 89 =
994
2
3
4
|
15.
847 – 523 =
4
2
3
324
|
16.
329 – 106 =
3
4
2
223
|
|
17.
909 + 73 =
3
2
4
982
|
18.
677 – 263 =
3
2
414
4
|
19.
815 – 694 =
3
2
121
4
|
20.
724 – 491 =
233
2
3
4
|