Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
732 – 145 =
3
4
2
587
|
2.
322 + 171 =
4
493
3
2
|
3.
823 + 94 =
4
2
3
917
|
4.
220 + 168 =
2
4
388
3
|
|
5.
477 + 431 =
2
3
908
4
|
6.
659 – 84 =
575
4
3
2
|
7.
945 – 682 =
3
263
2
4
|
8.
93 + 894 =
2
4
987
3
|
|
9.
47 – 13 =
3
34
4
2
|
10.
163 + 712 =
4
875
2
3
|
11.
570 + 288 =
858
3
2
4
|
12.
337 + 501 =
3
4
2
838
|
|
13.
352 – 93 =
259
4
3
2
|
14.
148 – 18 =
130
3
2
4
|
15.
302 – 282 =
4
3
20
2
|
16.
164 – 107 =
2
3
57
4
|
|
17.
840 – 837 =
3
1
4
2
|
18.
671 – 631 =
40
2
4
3
|
19.
484 – 107 =
377
2
4
3
|
20.
616 – 111 =
505
3
4
2
|