Oefen de erbijsom en erafsom tot 1.000
In de mix
|
1.
736 + 238 =
2
974
|
2.
892 – 335 =
557
2
|
3.
896 + 82 =
978
2
|
4.
758 – 543 =
2
215
|
|
5.
166 – 135 =
2
31
|
6.
996 + 2 =
998
2
|
7.
96 + 506 =
2
602
|
8.
887 – 534 =
353
2
|
|
9.
719 – 563 =
156
2
|
10.
111 + 542 =
2
653
|
11.
966 – 840 =
126
2
|
12.
267 – 206 =
61
2
|
|
13.
904 – 619 =
285
2
|
14.
774 – 246 =
2
528
|
15.
109 – 29 =
2
80
|
16.
961 + 6 =
2
967
|
|
17.
961 – 600 =
2
361
|
18.
182 – 76 =
2
106
|
19.
533 – 139 =
2
394
|
20.
724 + 46 =
770
2
|