Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
710 + 189 =
899
4
3
2
|
2.
966 – 230 =
736
3
2
4
|
3.
793 – 354 =
439
3
4
2
|
4.
714 + 7 =
3
4
2
721
|
|
5.
737 – 574 =
2
163
3
4
|
6.
647 + 82 =
729
2
3
4
|
7.
117 + 531 =
648
3
2
4
|
8.
837 – 489 =
4
2
3
348
|
|
9.
791 – 123 =
668
4
3
2
|
10.
545 – 505 =
3
2
4
40
|
11.
129 – 32 =
3
4
2
97
|
12.
316 + 328 =
3
644
2
4
|
|
13.
249 – 113 =
3
136
2
4
|
14.
191 – 67 =
4
3
124
2
|
15.
73 + 92 =
165
2
3
4
|
16.
432 – 199 =
2
4
3
233
|
|
17.
212 – 50 =
2
162
3
4
|
18.
937 + 38 =
4
3
2
975
|
19.
309 + 25 =
4
2
334
3
|
20.
770 – 447 =
323
2
3
4
|