Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
245 + 617 =
2
3
4
862
|
2.
150 – 58 =
2
4
3
92
|
3.
439 – 425 =
3
1
14
2
|
4.
166 + 796 =
4
3
2
962
|
|
5.
795 – 239 =
3
2
556
4
|
6.
430 – 125 =
305
2
3
4
|
7.
411 + 220 =
2
3
631
4
|
8.
184 – 73 =
4
3
111
2
|
|
9.
24 + 425 =
449
2
3
4
|
10.
83 – 24 =
59
4
2
3
|
11.
993 + 4 =
2
997
4
3
|
12.
464 + 408 =
2
4
3
872
|
|
13.
903 + 26 =
929
4
2
3
|
14.
617 – 597 =
20
2
4
3
|
15.
741 – 639 =
2
4
3
102
|
16.
186 + 289 =
3
2
475
4
|
|
17.
303 – 92 =
211
4
2
3
|
18.
242 + 392 =
634
2
3
4
|
19.
483 + 273 =
756
2
3
4
|
20.
103 – 74 =
4
3
29
2
|