Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
604 – 184 =
4
3
420
2
|
2.
371 – 311 =
2
60
3
4
|
3.
602 – 280 =
322
2
4
3
|
4.
175 + 544 =
3
719
4
2
|
|
5.
993 + 2 =
3
2
4
995
|
6.
162 + 321 =
4
3
483
2
|
7.
681 + 72 =
753
2
4
3
|
8.
73 – 16 =
2
4
57
3
|
|
9.
79 + 378 =
457
4
2
3
|
10.
614 – 507 =
107
4
3
2
|
11.
807 + 109 =
4
3
916
2
|
12.
329 – 130 =
4
199
2
3
|
|
13.
142 + 372 =
514
4
2
3
|
14.
227 – 33 =
4
2
194
3
|
15.
39 – 25 =
2
14
1
3
|
16.
403 – 33 =
3
370
4
2
|
|
17.
329 – 200 =
4
3
2
129
|
18.
88 – 75 =
3
1
13
2
|
19.
933 – 588 =
2
4
3
345
|
20.
43 – 16 =
2
27
4
3
|