Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
475 – 78 =
3
2
397
4
|
2.
528 + 195 =
4
2
723
3
|
3.
394 – 228 =
3
4
2
166
|
4.
136 – 66 =
2
4
3
70
|
|
5.
583 + 353 =
4
3
2
936
|
6.
297 + 346 =
643
2
4
3
|
7.
991 – 446 =
2
4
3
545
|
8.
439 – 278 =
3
161
4
2
|
|
9.
98 – 39 =
2
59
3
4
|
10.
771 – 703 =
3
4
68
2
|
11.
274 – 7 =
4
2
267
3
|
12.
538 + 400 =
3
938
4
2
|
|
13.
580 + 26 =
606
3
4
2
|
14.
572 + 97 =
2
3
4
669
|
15.
959 + 18 =
2
3
4
977
|
16.
155 + 257 =
2
3
4
412
|
|
17.
773 – 296 =
2
3
477
4
|
18.
120 – 35 =
85
2
3
4
|
19.
450 – 119 =
3
2
4
331
|
20.
669 – 524 =
3
145
2
4
|