Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
308 – 126 =
182
2
4
3
|
2.
133 + 428 =
4
2
3
561
|
3.
600 – 174 =
2
3
4
426
|
4.
13 + 708 =
4
3
2
721
|
|
5.
959 – 252 =
3
2
707
4
|
6.
951 – 378 =
3
4
573
2
|
7.
496 + 68 =
4
564
3
2
|
8.
727 – 226 =
3
501
4
2
|
|
9.
52 + 314 =
2
4
3
366
|
10.
159 + 135 =
2
294
4
3
|
11.
576 + 378 =
4
2
954
3
|
12.
644 – 127 =
517
4
2
3
|
|
13.
800 – 751 =
3
2
49
4
|
14.
712 + 265 =
977
4
3
2
|
15.
800 + 44 =
844
2
4
3
|
16.
591 + 406 =
997
4
2
3
|
|
17.
813 + 151 =
3
4
2
964
|
18.
564 – 134 =
430
2
4
3
|
19.
300 – 247 =
2
53
4
3
|
20.
654 – 464 =
190
2
3
4
|