Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
830 – 394 =
3
4
436
2
|
2.
914 – 365 =
2
4
549
3
|
3.
334 – 315 =
3
2
19
4
|
4.
216 + 365 =
3
4
2
581
|
|
5.
609 – 347 =
4
2
262
3
|
6.
666 – 61 =
2
3
4
605
|
7.
273 – 135 =
2
138
3
4
|
8.
484 + 222 =
4
706
3
2
|
|
9.
289 – 172 =
117
3
4
2
|
10.
508 + 279 =
787
3
4
2
|
11.
148 + 419 =
4
567
3
2
|
12.
430 – 356 =
3
4
74
2
|
|
13.
130 – 117 =
1
13
2
3
|
14.
641 + 156 =
3
797
4
2
|
15.
596 – 458 =
2
4
138
3
|
16.
401 – 81 =
2
3
4
320
|
|
17.
180 – 114 =
66
2
4
3
|
18.
848 – 582 =
3
4
2
266
|
19.
889 + 38 =
3
4
927
2
|
20.
580 + 23 =
4
2
603
3
|