Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
275 + 247 =
522
3
2
4
|
2.
812 – 34 =
2
3
4
778
|
3.
799 – 745 =
2
4
3
54
|
4.
690 – 569 =
2
121
4
3
|
|
5.
770 + 56 =
2
826
3
4
|
6.
625 + 104 =
4
3
729
2
|
7.
443 + 103 =
546
4
2
3
|
8.
778 + 20 =
798
4
2
3
|
|
9.
75 + 633 =
2
708
4
3
|
10.
387 + 273 =
3
660
4
2
|
11.
393 + 61 =
4
2
3
454
|
12.
992 + 0 =
3
4
992
2
|
|
13.
404 + 228 =
632
4
3
2
|
14.
744 + 127 =
871
3
2
4
|
15.
650 + 272 =
922
3
2
4
|
16.
252 – 34 =
218
3
4
2
|
|
17.
945 + 52 =
4
3
997
2
|
18.
145 + 407 =
3
552
4
2
|
19.
18 – 0 =
3
4
2
18
|
20.
108 – 26 =
3
82
2
4
|