Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
323 – 218 =
2
4
105
3
|
2.
358 – 148 =
2
4
210
3
|
3.
554 – 256 =
4
3
298
2
|
4.
573 – 136 =
437
3
2
4
|
|
5.
62 – 25 =
37
2
4
3
|
6.
636 + 207 =
4
2
3
843
|
7.
313 + 660 =
4
2
3
973
|
8.
184 + 505 =
2
3
4
689
|
|
9.
901 – 638 =
2
263
4
3
|
10.
142 + 600 =
742
3
4
2
|
11.
237 + 462 =
3
4
2
699
|
12.
98 + 4 =
102
3
4
2
|
|
13.
419 + 189 =
608
4
2
3
|
14.
659 + 183 =
842
3
2
4
|
15.
640 + 297 =
937
3
2
4
|
16.
417 + 380 =
3
797
4
2
|
|
17.
325 – 40 =
2
285
4
3
|
18.
396 + 95 =
491
4
3
2
|
19.
814 + 74 =
2
3
888
4
|
20.
509 – 206 =
2
303
3
4
|