Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
758 – 523 =
3
2
4
235
|
2.
322 – 94 =
228
4
2
3
|
3.
799 + 175 =
4
3
2
974
|
4.
414 + 24 =
2
3
4
438
|
|
5.
454 – 153 =
301
2
3
4
|
6.
680 – 395 =
285
4
2
3
|
7.
673 – 17 =
656
3
4
2
|
8.
77 – 29 =
4
2
48
3
|
|
9.
623 – 481 =
4
3
2
142
|
10.
467 – 391 =
2
4
3
76
|
11.
366 – 322 =
3
44
2
4
|
12.
383 + 509 =
3
2
4
892
|
|
13.
769 – 461 =
2
3
4
308
|
14.
658 – 244 =
4
2
414
3
|
15.
416 – 296 =
3
4
120
2
|
16.
64 – 16 =
4
3
48
2
|
|
17.
961 – 162 =
799
3
4
2
|
18.
927 – 918 =
2
9
1
3
|
19.
632 – 295 =
337
2
4
3
|
20.
72 + 20 =
3
92
2
4
|