Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
218 – 64 =
3
4
154
2
|
2.
242 + 68 =
3
310
2
4
|
3.
424 + 393 =
3
817
2
4
|
4.
888 – 795 =
4
2
93
3
|
|
5.
465 + 428 =
4
3
893
2
|
6.
880 – 488 =
3
392
4
2
|
7.
77 + 11 =
3
2
4
88
|
8.
599 – 168 =
431
2
3
4
|
|
9.
688 + 305 =
993
4
2
3
|
10.
514 – 337 =
3
177
4
2
|
11.
875 + 91 =
3
966
4
2
|
12.
535 – 154 =
381
2
4
3
|
|
13.
908 + 50 =
3
2
4
958
|
14.
462 + 521 =
3
4
2
983
|
15.
775 – 581 =
194
2
4
3
|
16.
436 + 252 =
688
4
2
3
|
|
17.
147 + 555 =
2
702
4
3
|
18.
876 – 252 =
4
624
2
3
|
19.
93 + 290 =
4
2
3
383
|
20.
610 + 327 =
4
3
937
2
|