Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
927 – 381 =
546
4
2
3
|
2.
892 – 732 =
160
4
2
3
|
3.
905 + 26 =
2
931
3
4
|
4.
148 – 84 =
64
4
3
2
|
|
5.
70 – 29 =
4
2
41
3
|
6.
744 – 590 =
2
154
4
3
|
7.
360 – 324 =
36
3
4
2
|
8.
190 – 103 =
4
87
2
3
|
|
9.
916 – 727 =
3
2
189
4
|
10.
95 – 11 =
2
84
3
4
|
11.
151 – 15 =
3
4
2
136
|
12.
888 – 464 =
3
424
2
4
|
|
13.
298 + 497 =
795
3
2
4
|
14.
867 + 96 =
2
4
3
963
|
15.
327 – 174 =
153
2
4
3
|
16.
856 + 52 =
3
908
2
4
|
|
17.
451 – 90 =
361
3
4
2
|
18.
180 + 704 =
3
2
4
884
|
19.
456 + 491 =
4
2
947
3
|
20.
981 – 549 =
3
4
432
2
|