Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
763 – 558 =
3
4
2
205
|
2.
399 – 64 =
2
3
335
4
|
3.
29 + 758 =
2
787
3
4
|
4.
743 + 79 =
4
2
822
3
|
|
5.
896 – 127 =
4
3
769
2
|
6.
100 + 552 =
652
4
3
2
|
7.
48 – 20 =
3
4
28
2
|
8.
27 + 359 =
2
3
386
4
|
|
9.
911 + 67 =
2
3
978
4
|
10.
28 + 939 =
3
967
2
4
|
11.
182 + 511 =
4
693
3
2
|
12.
782 – 207 =
575
2
4
3
|
|
13.
741 – 479 =
2
4
3
262
|
14.
192 + 253 =
3
4
445
2
|
15.
56 – 22 =
2
4
34
3
|
16.
776 – 647 =
129
4
2
3
|
|
17.
759 + 217 =
4
2
976
3
|
18.
832 – 489 =
2
343
3
4
|
19.
413 – 245 =
3
168
4
2
|
20.
717 – 353 =
4
364
2
3
|