Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
976 – 518 =
2
4
458
3
|
2.
855 – 117 =
3
2
738
4
|
3.
448 + 50 =
2
498
4
3
|
4.
145 – 18 =
4
2
3
127
|
|
5.
845 – 45 =
3
4
2
800
|
6.
891 + 89 =
2
4
3
980
|
7.
580 + 73 =
3
4
653
2
|
8.
425 – 93 =
3
332
4
2
|
|
9.
835 – 230 =
3
2
605
4
|
10.
344 – 160 =
4
3
184
2
|
11.
658 – 404 =
2
3
254
4
|
12.
112 – 82 =
4
2
3
30
|
|
13.
11 – 2 =
3
2
1
9
|
14.
511 – 191 =
4
320
2
3
|
15.
177 + 390 =
567
4
2
3
|
16.
364 – 357 =
1
7
2
3
|
|
17.
592 – 364 =
4
2
3
228
|
18.
733 + 197 =
2
3
930
4
|
19.
383 + 67 =
4
450
3
2
|
20.
637 + 9 =
646
3
4
2
|