Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
109 – 55 =
3
4
54
2
|
2.
119 – 32 =
3
4
87
2
|
3.
419 – 49 =
2
3
370
4
|
4.
254 + 367 =
2
621
4
3
|
|
5.
304 – 250 =
54
3
2
4
|
6.
25 – 2 =
23
2
3
4
|
7.
380 + 129 =
3
509
4
2
|
8.
649 – 89 =
2
3
560
4
|
|
9.
686 + 234 =
3
920
4
2
|
10.
427 + 178 =
605
4
2
3
|
11.
455 + 80 =
535
3
4
2
|
12.
983 – 47 =
3
4
2
936
|
|
13.
756 + 220 =
976
3
2
4
|
14.
158 – 25 =
133
2
3
4
|
15.
258 – 39 =
2
219
3
4
|
16.
478 + 319 =
2
3
4
797
|
|
17.
231 – 75 =
2
156
3
4
|
18.
796 – 27 =
3
769
4
2
|
19.
357 + 446 =
803
4
2
3
|
20.
421 + 357 =
4
2
3
778
|