Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
751 – 666 =
4
85
2
3
|
2.
452 – 388 =
64
4
3
2
|
3.
24 + 716 =
740
3
2
4
|
4.
38 + 248 =
3
4
2
286
|
|
5.
470 + 137 =
2
3
4
607
|
6.
128 + 302 =
2
4
3
430
|
7.
181 – 85 =
3
2
4
96
|
8.
591 + 37 =
2
628
4
3
|
|
9.
93 + 150 =
4
243
2
3
|
10.
845 – 55 =
3
2
790
4
|
11.
159 – 2 =
4
2
3
157
|
12.
134 – 109 =
2
3
4
25
|
|
13.
876 – 196 =
3
4
680
2
|
14.
426 – 420 =
3
6
1
2
|
15.
844 + 7 =
2
4
3
851
|
16.
523 + 453 =
4
3
2
976
|
|
17.
845 + 128 =
3
4
2
973
|
18.
306 + 453 =
2
3
759
4
|
19.
212 – 88 =
124
2
4
3
|
20.
99 + 276 =
3
4
375
2
|