Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
290 – 175 =
115
2
3
4
|
2.
300 + 239 =
4
539
3
2
|
3.
99 + 524 =
623
4
3
2
|
4.
799 + 199 =
2
4
3
998
|
|
5.
403 – 129 =
4
2
3
274
|
6.
34 – 19 =
3
15
1
2
|
7.
951 + 31 =
982
4
2
3
|
8.
753 + 29 =
782
3
4
2
|
|
9.
103 – 46 =
4
3
2
57
|
10.
952 – 732 =
3
4
2
220
|
11.
821 + 103 =
4
3
924
2
|
12.
787 – 211 =
4
3
576
2
|
|
13.
386 – 335 =
4
3
51
2
|
14.
481 – 133 =
4
3
348
2
|
15.
917 + 58 =
4
3
975
2
|
16.
298 + 40 =
2
4
338
3
|
|
17.
70 – 48 =
4
2
22
3
|
18.
166 + 174 =
340
4
2
3
|
19.
418 + 248 =
4
2
3
666
|
20.
842 – 280 =
4
562
3
2
|