Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
473 – 157 =
316
3
2
4
|
2.
448 + 375 =
4
2
823
3
|
3.
976 – 904 =
2
3
4
72
|
4.
95 – 21 =
4
2
74
3
|
|
5.
382 – 281 =
2
4
101
3
|
6.
809 – 695 =
3
4
114
2
|
7.
631 + 108 =
739
2
3
4
|
8.
18 – 6 =
2
1
12
3
|
|
9.
258 + 375 =
4
2
3
633
|
10.
723 + 17 =
3
4
2
740
|
11.
195 + 548 =
2
743
4
3
|
12.
664 + 258 =
922
3
2
4
|
|
13.
697 + 195 =
892
4
2
3
|
14.
6 – 4 =
1
4
3
2
|
15.
599 + 246 =
845
2
4
3
|
16.
895 + 59 =
3
2
954
4
|
|
17.
920 – 915 =
5
2
3
1
|
18.
884 + 36 =
2
4
3
920
|
19.
846 – 189 =
2
657
3
4
|
20.
751 – 152 =
2
4
599
3
|