Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
142 – 135 =
1
2
3
7
|
2.
408 – 136 =
4
2
272
3
|
3.
957 – 562 =
3
395
2
4
|
4.
384 + 135 =
3
2
519
4
|
|
5.
173 + 339 =
512
4
2
3
|
6.
88 + 333 =
421
3
4
2
|
7.
535 + 330 =
3
4
2
865
|
8.
818 – 610 =
3
4
208
2
|
|
9.
475 + 25 =
3
500
2
4
|
10.
401 – 14 =
2
3
4
387
|
11.
93 – 10 =
83
2
4
3
|
12.
864 – 223 =
641
4
3
2
|
|
13.
891 – 26 =
4
865
3
2
|
14.
127 + 565 =
3
4
692
2
|
15.
625 – 333 =
4
2
292
3
|
16.
321 – 139 =
3
4
2
182
|
|
17.
741 – 676 =
65
4
3
2
|
18.
156 – 77 =
79
2
3
4
|
19.
298 – 50 =
3
2
4
248
|
20.
748 + 129 =
2
4
3
877
|