Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
291 – 128 =
4
163
2
3
|
2.
570 – 80 =
2
3
490
4
|
3.
67 + 400 =
3
4
467
2
|
4.
144 – 140 =
1
4
2
3
|
|
5.
942 – 511 =
3
431
4
2
|
6.
896 – 466 =
430
4
2
3
|
7.
698 + 102 =
4
2
3
800
|
8.
804 + 153 =
957
4
3
2
|
|
9.
360 + 422 =
4
782
2
3
|
10.
152 – 123 =
4
3
2
29
|
11.
813 – 459 =
4
354
2
3
|
12.
715 + 277 =
4
992
2
3
|
|
13.
332 – 289 =
3
4
43
2
|
14.
911 – 766 =
2
145
4
3
|
15.
689 + 212 =
2
4
901
3
|
16.
266 + 698 =
3
2
4
964
|
|
17.
587 – 95 =
2
3
492
4
|
18.
787 – 431 =
2
4
3
356
|
19.
497 + 225 =
2
3
4
722
|
20.
791 + 175 =
4
966
3
2
|