Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
303 + 539 =
842
4
3
2
|
2.
825 + 6 =
2
3
4
831
|
3.
22 + 561 =
4
583
2
3
|
4.
307 – 148 =
4
3
2
159
|
|
5.
122 – 86 =
3
4
36
2
|
6.
876 + 27 =
2
3
903
4
|
7.
713 – 391 =
2
3
322
4
|
8.
69 – 65 =
2
3
4
1
|
|
9.
254 – 36 =
3
218
4
2
|
10.
484 + 46 =
530
4
3
2
|
11.
15 – 3 =
2
12
3
1
|
12.
90 + 476 =
566
4
3
2
|
|
13.
971 + 17 =
4
2
988
3
|
14.
418 – 273 =
4
3
145
2
|
15.
220 – 219 =
1
2
4
3
|
16.
103 + 811 =
2
3
4
914
|
|
17.
256 – 206 =
50
3
4
2
|
18.
736 – 375 =
4
3
361
2
|
19.
200 + 671 =
3
2
871
4
|
20.
253 – 241 =
3
1
2
12
|