Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
712 – 707 =
3
5
1
2
|
2.
818 + 1 =
3
2
4
819
|
3.
51 – 1 =
4
3
50
2
|
4.
860 – 783 =
4
3
2
77
|
|
5.
683 – 553 =
4
130
3
2
|
6.
454 – 384 =
4
3
2
70
|
7.
760 – 269 =
3
2
491
4
|
8.
974 + 22 =
2
996
4
3
|
|
9.
500 + 342 =
2
842
4
3
|
10.
233 – 220 =
3
2
13
1
|
11.
646 + 160 =
2
3
806
4
|
12.
729 + 270 =
3
999
2
4
|
|
13.
413 + 84 =
497
2
4
3
|
14.
788 + 206 =
4
2
3
994
|
15.
856 + 128 =
984
3
2
4
|
16.
412 – 141 =
2
4
271
3
|
|
17.
531 – 285 =
2
246
3
4
|
18.
201 + 244 =
445
3
4
2
|
19.
296 – 179 =
2
4
3
117
|
20.
346 + 59 =
2
4
3
405
|