Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
633 – 562 =
4
71
3
2
|
2.
460 + 3 =
3
463
4
2
|
3.
191 – 159 =
2
32
4
3
|
4.
522 + 455 =
4
977
3
2
|
|
5.
173 – 144 =
29
3
2
4
|
6.
161 + 310 =
2
4
3
471
|
7.
247 + 116 =
363
4
3
2
|
8.
522 + 204 =
726
2
3
4
|
|
9.
233 – 224 =
9
1
3
2
|
10.
6 – 6 =
3
4
0
2
|
11.
74 – 7 =
3
67
2
4
|
12.
239 – 132 =
2
107
4
3
|
|
13.
102 – 41 =
2
3
61
4
|
14.
116 – 98 =
3
4
2
18
|
15.
322 – 192 =
4
2
3
130
|
16.
1000 + 0 =
3
1000
4
2
|
|
17.
271 + 606 =
877
3
4
2
|
18.
386 – 195 =
191
4
2
3
|
19.
238 – 81 =
3
4
157
2
|
20.
21 – 20 =
3
1
2
4
|