Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
940 + 35 =
975
3
2
4
|
2.
327 – 117 =
2
210
4
3
|
3.
16 + 95 =
2
4
111
3
|
4.
835 – 12 =
4
823
2
3
|
|
5.
843 – 580 =
4
3
2
263
|
6.
551 – 32 =
2
3
4
519
|
7.
599 + 351 =
4
3
2
950
|
8.
96 + 472 =
2
3
4
568
|
|
9.
846 + 12 =
4
858
2
3
|
10.
550 – 0 =
2
3
4
550
|
11.
446 + 278 =
4
2
3
724
|
12.
135 + 412 =
4
2
3
547
|
|
13.
402 – 242 =
2
160
4
3
|
14.
43 + 435 =
478
3
4
2
|
15.
422 – 83 =
2
4
3
339
|
16.
814 + 130 =
944
2
3
4
|
|
17.
912 + 23 =
3
2
4
935
|
18.
895 + 100 =
995
4
2
3
|
19.
575 + 167 =
4
3
2
742
|
20.
451 + 38 =
489
2
3
4
|