Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
639 – 523 =
116
3
2
4
|
2.
555 – 83 =
472
4
3
2
|
3.
306 + 387 =
693
4
3
2
|
4.
739 + 61 =
2
4
800
3
|
|
5.
610 – 341 =
4
2
3
269
|
6.
892 – 379 =
4
3
2
513
|
7.
803 – 688 =
3
4
115
2
|
8.
332 – 64 =
268
2
3
4
|
|
9.
114 – 102 =
3
2
12
1
|
10.
275 + 72 =
4
2
347
3
|
11.
814 + 36 =
3
2
4
850
|
12.
941 + 1 =
3
4
942
2
|
|
13.
30 – 15 =
2
15
1
3
|
14.
278 + 160 =
3
438
2
4
|
15.
968 – 951 =
4
3
2
17
|
16.
790 – 151 =
3
639
4
2
|
|
17.
63 + 664 =
4
3
727
2
|
18.
706 – 299 =
407
3
4
2
|
19.
518 – 347 =
4
171
3
2
|
20.
739 + 49 =
4
2
788
3
|