Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
127 – 43 =
4
2
3
84
|
2.
339 + 390 =
2
3
729
4
|
3.
813 + 107 =
4
2
920
3
|
4.
737 + 117 =
854
3
2
4
|
|
5.
877 + 103 =
3
980
4
2
|
6.
371 + 532 =
903
3
2
4
|
7.
776 + 216 =
3
4
2
992
|
8.
371 + 133 =
504
3
4
2
|
|
9.
363 – 69 =
4
3
294
2
|
10.
860 + 125 =
2
3
4
985
|
11.
351 + 190 =
4
541
3
2
|
12.
653 – 585 =
4
3
68
2
|
|
13.
279 – 159 =
120
3
4
2
|
14.
489 – 286 =
2
203
4
3
|
15.
988 + 4 =
2
3
4
992
|
16.
293 – 191 =
2
3
102
4
|
|
17.
330 + 576 =
3
4
2
906
|
18.
436 + 316 =
752
2
3
4
|
19.
549 – 238 =
2
311
3
4
|
20.
781 + 156 =
2
3
937
4
|