Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
695 – 336 =
2
3
359
4
|
2.
509 + 200 =
3
4
709
2
|
3.
987 – 562 =
2
425
3
4
|
4.
797 + 186 =
3
2
983
4
|
|
5.
772 + 145 =
4
3
2
917
|
6.
127 – 124 =
3
4
1
2
|
7.
117 – 87 =
30
4
2
3
|
8.
498 – 392 =
2
106
4
3
|
|
9.
800 – 214 =
3
4
2
586
|
10.
744 – 516 =
2
4
3
228
|
11.
765 – 309 =
2
3
4
456
|
12.
600 + 241 =
841
2
4
3
|
|
13.
200 – 111 =
89
4
2
3
|
14.
299 – 192 =
4
107
2
3
|
15.
543 + 101 =
4
2
3
644
|
16.
1 + 846 =
3
847
4
2
|
|
17.
957 – 729 =
2
3
4
228
|
18.
517 – 229 =
3
2
4
288
|
19.
95 + 485 =
3
2
4
580
|
20.
668 + 259 =
3
927
2
4
|