Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
490 – 448 =
4
42
2
3
|
2.
471 – 378 =
93
2
3
4
|
3.
601 – 575 =
4
3
26
2
|
4.
753 – 142 =
4
611
2
3
|
|
5.
420 – 44 =
4
3
2
376
|
6.
131 + 835 =
2
966
3
4
|
7.
999 – 984 =
3
1
2
15
|
8.
882 – 191 =
3
691
2
4
|
|
9.
156 + 174 =
4
330
2
3
|
10.
771 + 141 =
3
4
912
2
|
11.
706 + 160 =
4
866
3
2
|
12.
145 + 435 =
2
4
3
580
|
|
13.
267 + 261 =
4
528
3
2
|
14.
497 + 290 =
2
3
4
787
|
15.
144 + 374 =
518
2
4
3
|
16.
239 – 138 =
3
101
4
2
|
|
17.
53 – 3 =
50
2
3
4
|
18.
387 – 139 =
4
2
3
248
|
19.
50 – 42 =
2
8
3
1
|
20.
824 – 778 =
46
4
3
2
|