Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
892 + 42 =
4
934
2
3
|
2.
330 + 459 =
4
3
2
789
|
3.
107 + 319 =
426
3
4
2
|
4.
658 – 457 =
201
2
4
3
|
|
5.
348 – 335 =
3
1
2
13
|
6.
518 + 409 =
927
2
3
4
|
7.
810 + 47 =
3
857
2
4
|
8.
477 – 260 =
217
3
4
2
|
|
9.
806 + 49 =
855
4
2
3
|
10.
175 – 169 =
2
3
1
6
|
11.
301 – 244 =
3
2
4
57
|
12.
57 + 53 =
2
3
4
110
|
|
13.
636 + 103 =
4
3
739
2
|
14.
493 – 79 =
4
2
414
3
|
15.
551 – 99 =
4
452
3
2
|
16.
180 – 48 =
2
4
132
3
|
|
17.
351 + 128 =
2
3
4
479
|
18.
855 + 143 =
4
998
3
2
|
19.
128 – 12 =
2
4
3
116
|
20.
334 + 363 =
3
2
697
4
|