Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
581 + 266 =
3
4
847
2
|
2.
392 – 219 =
3
2
4
173
|
3.
935 – 353 =
3
4
2
582
|
4.
429 + 336 =
765
4
2
3
|
|
5.
516 – 379 =
2
4
3
137
|
6.
683 – 286 =
397
3
4
2
|
7.
178 – 69 =
3
4
109
2
|
8.
87 + 272 =
3
2
359
4
|
|
9.
396 – 185 =
4
211
2
3
|
10.
271 + 532 =
2
3
4
803
|
11.
561 – 140 =
4
3
421
2
|
12.
108 – 104 =
1
3
4
2
|
|
13.
333 + 99 =
3
432
2
4
|
14.
115 + 106 =
2
3
221
4
|
15.
765 + 145 =
4
910
2
3
|
16.
771 – 77 =
2
4
3
694
|
|
17.
116 – 35 =
81
3
4
2
|
18.
394 – 388 =
2
3
1
6
|
19.
967 – 847 =
4
2
3
120
|
20.
691 + 265 =
2
956
4
3
|