Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
98 – 57 =
3
41
4
2
|
2.
607 – 257 =
3
350
4
2
|
3.
818 + 172 =
2
4
3
990
|
4.
796 – 516 =
280
4
2
3
|
|
5.
897 + 98 =
3
4
2
995
|
6.
443 + 34 =
477
4
3
2
|
7.
743 – 620 =
4
2
3
123
|
8.
984 – 582 =
3
4
2
402
|
|
9.
71 + 84 =
155
3
2
4
|
10.
33 – 11 =
4
22
2
3
|
11.
464 + 171 =
4
2
3
635
|
12.
226 + 33 =
2
259
3
4
|
|
13.
628 + 56 =
3
684
4
2
|
14.
539 + 208 =
3
4
747
2
|
15.
392 + 430 =
4
3
822
2
|
16.
609 – 567 =
2
4
42
3
|
|
17.
700 – 626 =
74
2
3
4
|
18.
666 – 470 =
196
4
3
2
|
19.
378 – 234 =
2
4
144
3
|
20.
910 – 200 =
3
2
710
4
|