Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
785 + 33 =
2
4
3
818
|
2.
187 + 24 =
3
211
2
4
|
3.
780 – 586 =
194
3
4
2
|
4.
485 – 237 =
3
248
4
2
|
|
5.
584 + 322 =
3
906
2
4
|
6.
507 + 181 =
3
688
2
4
|
7.
294 – 126 =
168
4
3
2
|
8.
263 – 217 =
46
4
3
2
|
|
9.
451 + 111 =
562
3
2
4
|
10.
171 – 115 =
3
2
4
56
|
11.
820 – 202 =
2
3
618
4
|
12.
590 + 395 =
4
2
985
3
|
|
13.
351 + 412 =
3
4
2
763
|
14.
838 – 504 =
3
2
334
4
|
15.
362 – 199 =
4
3
163
2
|
16.
687 + 257 =
944
2
4
3
|
|
17.
648 – 621 =
4
2
27
3
|
18.
635 – 245 =
3
2
4
390
|
19.
544 + 255 =
4
2
799
3
|
20.
262 – 69 =
2
3
4
193
|