Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
75 – 31 =
44
4
2
3
|
2.
497 – 264 =
2
3
4
233
|
3.
681 – 190 =
491
4
2
3
|
4.
24 + 305 =
329
2
3
4
|
|
5.
912 + 68 =
2
3
4
980
|
6.
215 – 186 =
4
2
3
29
|
7.
759 + 225 =
3
984
2
4
|
8.
154 + 182 =
3
4
336
2
|
|
9.
474 + 64 =
4
3
538
2
|
10.
827 – 277 =
3
550
2
4
|
11.
10 + 359 =
4
2
369
3
|
12.
309 – 228 =
3
81
4
2
|
|
13.
776 + 123 =
899
4
3
2
|
14.
90 – 89 =
3
2
4
1
|
15.
793 + 17 =
2
4
810
3
|
16.
116 + 342 =
2
458
3
4
|
|
17.
392 – 246 =
146
2
4
3
|
18.
128 – 30 =
98
2
4
3
|
19.
115 + 733 =
2
3
4
848
|
20.
872 + 55 =
4
2
3
927
|