Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
135 + 180 =
3
2
315
4
|
2.
60 – 1 =
2
59
3
4
|
3.
735 – 283 =
4
452
2
3
|
4.
548 + 181 =
2
729
3
4
|
|
5.
438 – 408 =
30
3
4
2
|
6.
515 – 356 =
2
159
4
3
|
7.
167 + 201 =
4
3
368
2
|
8.
230 + 478 =
4
708
3
2
|
|
9.
964 + 24 =
3
988
4
2
|
10.
91 + 121 =
2
3
4
212
|
11.
697 – 287 =
2
4
3
410
|
12.
548 – 343 =
2
205
4
3
|
|
13.
580 + 13 =
4
2
3
593
|
14.
264 – 113 =
151
2
3
4
|
15.
278 – 252 =
4
3
26
2
|
16.
440 – 291 =
3
149
4
2
|
|
17.
700 – 436 =
3
2
4
264
|
18.
679 – 197 =
3
2
482
4
|
19.
1000 + 0 =
1000
4
3
2
|
20.
897 + 68 =
4
3
2
965
|