Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
183 + 722 =
3
4
2
905
|
2.
573 + 311 =
3
884
2
4
|
3.
301 + 412 =
2
3
4
713
|
4.
680 – 395 =
285
2
4
3
|
|
5.
406 + 121 =
2
4
3
527
|
6.
518 – 487 =
2
31
3
4
|
7.
138 + 270 =
4
3
408
2
|
8.
170 – 67 =
3
2
4
103
|
|
9.
648 – 453 =
4
2
195
3
|
10.
670 – 302 =
368
2
4
3
|
11.
924 + 30 =
2
4
954
3
|
12.
445 – 226 =
4
2
219
3
|
|
13.
66 + 323 =
389
4
3
2
|
14.
515 + 447 =
2
3
4
962
|
15.
845 + 45 =
4
2
890
3
|
16.
335 – 150 =
4
3
185
2
|
|
17.
887 – 102 =
785
2
3
4
|
18.
274 – 192 =
4
82
3
2
|
19.
272 – 229 =
4
43
2
3
|
20.
182 + 274 =
456
2
3
4
|