Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
642 + 99 =
4
741
3
2
|
2.
97 + 519 =
4
2
3
616
|
3.
840 + 23 =
3
4
863
2
|
4.
346 + 177 =
4
2
3
523
|
|
5.
630 – 534 =
3
4
96
2
|
6.
522 + 307 =
4
829
3
2
|
7.
921 – 377 =
4
544
3
2
|
8.
915 + 62 =
3
4
977
2
|
|
9.
82 + 257 =
2
339
3
4
|
10.
307 + 571 =
4
878
2
3
|
11.
548 + 240 =
2
4
788
3
|
12.
500 – 257 =
4
243
2
3
|
|
13.
724 – 377 =
347
2
3
4
|
14.
839 + 53 =
4
892
2
3
|
15.
516 + 402 =
918
3
4
2
|
16.
227 – 57 =
4
2
170
3
|
|
17.
776 – 79 =
4
697
3
2
|
18.
896 – 97 =
4
799
3
2
|
19.
993 + 2 =
3
4
995
2
|
20.
650 + 215 =
4
3
865
2
|