Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
77 + 709 =
2
3
4
786
|
2.
693 – 240 =
3
4
2
453
|
3.
814 + 27 =
841
4
3
2
|
4.
812 – 609 =
2
203
3
4
|
|
5.
13 + 435 =
2
3
4
448
|
6.
271 + 563 =
2
3
834
4
|
7.
813 + 91 =
3
4
2
904
|
8.
565 – 281 =
284
4
2
3
|
|
9.
91 – 14 =
2
3
4
77
|
10.
13 + 415 =
3
2
4
428
|
11.
85 – 43 =
42
3
2
4
|
12.
192 + 79 =
271
2
4
3
|
|
13.
281 + 414 =
3
4
2
695
|
14.
194 – 42 =
3
4
2
152
|
15.
1 + 35 =
2
3
36
4
|
16.
620 – 190 =
2
3
4
430
|
|
17.
18 + 246 =
3
4
264
2
|
18.
842 – 750 =
3
92
2
4
|
19.
182 + 642 =
4
3
824
2
|
20.
605 + 338 =
3
4
943
2
|