Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
312 – 234 =
3
4
78
2
|
2.
953 + 41 =
994
2
3
4
|
3.
909 + 34 =
943
2
4
3
|
4.
987 + 13 =
2
1000
3
4
|
|
5.
573 + 385 =
2
3
958
4
|
6.
674 – 364 =
2
310
3
4
|
7.
773 – 102 =
671
2
4
3
|
8.
934 – 334 =
600
3
4
2
|
|
9.
565 – 118 =
447
2
3
4
|
10.
48 – 19 =
3
4
2
29
|
11.
212 – 83 =
3
4
129
2
|
12.
818 + 55 =
873
3
4
2
|
|
13.
361 – 225 =
2
136
4
3
|
14.
734 – 333 =
401
3
2
4
|
15.
538 + 26 =
2
564
4
3
|
16.
65 + 64 =
129
3
2
4
|
|
17.
238 – 63 =
4
3
2
175
|
18.
156 + 362 =
2
518
3
4
|
19.
514 – 293 =
2
221
3
4
|
20.
165 + 699 =
2
3
864
4
|