Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
606 – 588 =
3
2
4
18
|
2.
356 – 184 =
172
2
4
3
|
3.
847 – 809 =
3
38
4
2
|
4.
694 – 220 =
3
2
474
4
|
|
5.
219 + 179 =
2
3
398
4
|
6.
427 + 150 =
577
3
4
2
|
7.
11 + 501 =
512
3
2
4
|
8.
301 – 140 =
161
3
2
4
|
|
9.
746 – 486 =
260
3
2
4
|
10.
932 + 56 =
2
4
3
988
|
11.
26 – 11 =
2
1
3
15
|
12.
374 + 249 =
623
4
2
3
|
|
13.
622 – 621 =
3
2
4
1
|
14.
17 – 9 =
8
1
3
2
|
15.
329 – 84 =
2
4
245
3
|
16.
375 – 359 =
2
3
4
16
|
|
17.
253 + 36 =
3
289
4
2
|
18.
319 – 269 =
3
2
4
50
|
19.
982 + 12 =
4
2
994
3
|
20.
204 + 416 =
3
4
2
620
|