Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
753 – 133 =
620
3
2
4
|
2.
115 – 67 =
2
48
4
3
|
3.
620 – 375 =
2
245
3
4
|
4.
582 – 441 =
2
3
4
141
|
|
5.
960 + 40 =
1000
2
3
4
|
6.
617 – 366 =
251
4
2
3
|
7.
499 + 1 =
500
3
4
2
|
8.
467 – 406 =
61
3
4
2
|
|
9.
600 – 522 =
3
78
4
2
|
10.
221 – 129 =
4
2
3
92
|
11.
801 + 21 =
4
3
2
822
|
12.
98 – 42 =
3
2
4
56
|
|
13.
589 + 198 =
787
4
2
3
|
14.
265 + 165 =
4
3
2
430
|
15.
770 – 448 =
2
322
4
3
|
16.
261 + 142 =
4
3
2
403
|
|
17.
25 – 3 =
3
22
4
2
|
18.
868 + 112 =
2
3
4
980
|
19.
596 – 300 =
296
2
3
4
|
20.
109 + 739 =
4
3
2
848
|