Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
578 + 250 =
828
4
2
3
|
2.
175 + 121 =
296
4
2
3
|
3.
675 + 235 =
910
4
3
2
|
4.
447 + 220 =
667
4
3
2
|
|
5.
531 – 436 =
4
2
3
95
|
6.
677 – 403 =
4
274
3
2
|
7.
181 – 74 =
2
4
107
3
|
8.
907 + 40 =
2
947
4
3
|
|
9.
137 + 565 =
3
702
4
2
|
10.
883 – 867 =
4
2
16
3
|
11.
25 – 12 =
3
13
2
1
|
12.
545 – 211 =
3
4
2
334
|
|
13.
882 + 42 =
2
924
4
3
|
14.
477 – 82 =
3
4
395
2
|
15.
254 – 151 =
4
3
103
2
|
16.
843 + 71 =
3
914
2
4
|
|
17.
809 + 26 =
835
3
2
4
|
18.
476 – 32 =
4
3
444
2
|
19.
831 + 2 =
4
2
3
833
|
20.
323 + 603 =
2
3
926
4
|