Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
255 – 183 =
4
2
3
72
|
2.
260 – 222 =
3
38
4
2
|
3.
385 – 370 =
3
2
1
15
|
4.
490 + 153 =
643
3
4
2
|
|
5.
168 – 133 =
4
3
35
2
|
6.
596 + 194 =
2
4
790
3
|
7.
167 + 385 =
4
2
3
552
|
8.
678 + 160 =
3
838
4
2
|
|
9.
874 + 20 =
4
3
894
2
|
10.
129 – 27 =
102
4
3
2
|
11.
17 + 625 =
642
3
2
4
|
12.
326 – 265 =
4
3
61
2
|
|
13.
797 – 703 =
4
2
94
3
|
14.
150 + 6 =
4
156
3
2
|
15.
171 + 485 =
656
4
3
2
|
16.
53 – 51 =
3
2
4
1
|
|
17.
90 – 21 =
4
69
2
3
|
18.
933 + 20 =
2
3
953
4
|
19.
306 – 263 =
4
2
43
3
|
20.
825 – 295 =
2
4
530
3
|