Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
480 – 205 =
2
4
3
275
|
2.
323 + 677 =
2
1000
4
3
|
3.
443 – 271 =
3
4
2
172
|
4.
746 + 251 =
2
3
4
997
|
|
5.
728 – 386 =
342
4
3
2
|
6.
716 – 414 =
3
302
2
4
|
7.
309 – 74 =
2
4
235
3
|
8.
672 – 527 =
3
2
145
4
|
|
9.
10 – 7 =
2
3
1
4
|
10.
645 + 133 =
778
4
3
2
|
11.
336 + 190 =
3
526
4
2
|
12.
293 – 175 =
2
3
118
4
|
|
13.
664 – 272 =
2
4
392
3
|
14.
738 + 116 =
854
2
4
3
|
15.
987 + 11 =
4
2
998
3
|
16.
869 – 229 =
640
3
4
2
|
|
17.
267 + 57 =
4
2
324
3
|
18.
889 – 501 =
2
4
3
388
|
19.
430 + 466 =
4
2
3
896
|
20.
536 – 23 =
513
2
4
3
|