Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
978 + 21 =
2
4
3
999
|
2.
769 – 174 =
595
3
4
2
|
3.
856 + 48 =
3
4
2
904
|
4.
179 – 96 =
2
4
83
3
|
|
5.
323 + 366 =
3
689
2
4
|
6.
113 – 38 =
2
3
4
75
|
7.
210 + 56 =
266
3
2
4
|
8.
512 – 511 =
3
2
1
4
|
|
9.
439 – 113 =
4
3
2
326
|
10.
585 – 108 =
2
3
477
4
|
11.
680 + 181 =
3
4
2
861
|
12.
654 – 114 =
2
540
4
3
|
|
13.
17 – 3 =
1
14
3
2
|
14.
363 – 230 =
4
3
2
133
|
15.
76 + 90 =
2
3
4
166
|
16.
8 + 113 =
2
121
4
3
|
|
17.
857 – 849 =
1
3
2
8
|
18.
648 – 13 =
635
3
2
4
|
19.
182 – 26 =
3
156
2
4
|
20.
635 – 387 =
3
2
4
248
|