Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
540 + 71 =
2
611
3
4
|
2.
261 – 206 =
55
2
4
3
|
3.
901 + 77 =
2
4
3
978
|
4.
841 + 56 =
2
4
3
897
|
|
5.
730 + 203 =
933
2
3
4
|
6.
846 + 20 =
2
866
4
3
|
7.
789 – 324 =
3
465
2
4
|
8.
711 – 240 =
3
4
471
2
|
|
9.
141 – 19 =
122
3
2
4
|
10.
809 – 260 =
4
2
549
3
|
11.
582 – 470 =
2
4
112
3
|
12.
105 – 63 =
4
42
2
3
|
|
13.
358 – 220 =
138
4
3
2
|
14.
691 – 517 =
3
174
4
2
|
15.
338 + 558 =
896
3
4
2
|
16.
424 – 313 =
111
2
3
4
|
|
17.
807 + 1 =
4
3
808
2
|
18.
902 – 527 =
2
4
3
375
|
19.
690 – 133 =
2
3
4
557
|
20.
786 + 53 =
839
4
3
2
|