Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
809 + 42 =
3
851
4
2
|
2.
513 – 6 =
3
2
4
507
|
3.
94 + 628 =
722
2
3
4
|
4.
450 – 195 =
255
3
2
4
|
|
5.
931 – 368 =
2
4
3
563
|
6.
180 – 26 =
4
154
2
3
|
7.
44 + 197 =
3
4
2
241
|
8.
185 – 34 =
2
151
3
4
|
|
9.
495 – 376 =
119
4
2
3
|
10.
995 – 52 =
943
2
4
3
|
11.
559 – 68 =
3
4
2
491
|
12.
59 – 48 =
1
3
11
2
|
|
13.
482 – 141 =
2
4
341
3
|
14.
909 + 16 =
4
3
2
925
|
15.
643 + 255 =
4
3
2
898
|
16.
178 – 156 =
2
22
4
3
|
|
17.
693 – 671 =
2
22
3
4
|
18.
748 – 674 =
4
3
2
74
|
19.
774 + 27 =
2
3
801
4
|
20.
112 + 173 =
2
285
4
3
|