Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
326 – 289 =
4
3
37
2
|
2.
925 – 446 =
2
4
3
479
|
3.
315 + 356 =
3
2
671
4
|
4.
150 + 633 =
783
2
3
4
|
|
5.
624 + 117 =
741
2
3
4
|
6.
252 – 198 =
3
2
4
54
|
7.
639 – 176 =
463
4
3
2
|
8.
443 + 324 =
4
767
2
3
|
|
9.
214 + 593 =
2
807
4
3
|
10.
412 + 123 =
3
535
4
2
|
11.
633 + 47 =
3
680
4
2
|
12.
605 + 104 =
709
4
3
2
|
|
13.
559 + 177 =
2
4
3
736
|
14.
820 + 35 =
3
855
4
2
|
15.
995 + 4 =
4
3
2
999
|
16.
274 + 122 =
3
2
4
396
|
|
17.
221 – 205 =
16
2
3
4
|
18.
111 + 470 =
2
3
581
4
|
19.
778 + 146 =
4
2
924
3
|
20.
654 + 9 =
663
2
3
4
|