Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
888 + 20 =
3
2
908
4
|
2.
970 – 920 =
2
3
4
50
|
3.
626 – 144 =
2
4
482
3
|
4.
782 – 304 =
478
2
4
3
|
|
5.
554 – 283 =
271
3
4
2
|
6.
668 + 56 =
3
724
2
4
|
7.
647 + 350 =
2
3
997
4
|
8.
587 + 251 =
3
2
4
838
|
|
9.
283 + 83 =
3
2
4
366
|
10.
833 + 118 =
4
3
951
2
|
11.
414 – 164 =
3
250
4
2
|
12.
688 – 424 =
264
3
2
4
|
|
13.
378 + 231 =
609
3
4
2
|
14.
864 – 839 =
25
2
3
4
|
15.
307 – 27 =
2
4
3
280
|
16.
423 + 354 =
4
2
3
777
|
|
17.
38 + 179 =
4
217
3
2
|
18.
199 – 19 =
2
3
180
4
|
19.
955 + 13 =
4
3
968
2
|
20.
506 + 118 =
4
2
3
624
|