Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
647 – 534 =
113
4
2
3
|
2.
176 – 17 =
4
159
2
3
|
3.
609 + 82 =
691
4
2
3
|
4.
599 – 448 =
3
2
4
151
|
|
5.
66 + 16 =
4
2
82
3
|
6.
702 – 32 =
2
4
3
670
|
7.
165 – 93 =
72
2
3
4
|
8.
954 + 37 =
2
3
991
4
|
|
9.
490 – 124 =
3
4
2
366
|
10.
43 + 718 =
3
2
761
4
|
11.
409 – 409 =
4
0
2
3
|
12.
411 – 207 =
3
2
204
4
|
|
13.
403 + 550 =
2
4
953
3
|
14.
396 – 334 =
62
4
2
3
|
15.
896 + 37 =
2
4
933
3
|
16.
313 + 48 =
3
2
361
4
|
|
17.
566 + 228 =
4
2
794
3
|
18.
757 + 84 =
4
2
841
3
|
19.
174 – 135 =
3
2
39
4
|
20.
839 + 0 =
3
2
839
4
|