Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
683 + 27 =
4
3
710
2
|
2.
222 + 154 =
2
3
376
4
|
3.
120 – 2 =
2
3
118
4
|
4.
432 – 146 =
3
4
286
2
|
|
5.
106 + 830 =
2
936
3
4
|
6.
546 – 247 =
4
2
299
3
|
7.
595 + 304 =
899
4
2
3
|
8.
558 + 87 =
645
4
2
3
|
|
9.
213 – 187 =
26
3
2
4
|
10.
45 – 38 =
7
2
3
1
|
11.
199 + 448 =
4
647
2
3
|
12.
388 – 146 =
242
2
3
4
|
|
13.
163 + 207 =
3
4
370
2
|
14.
343 – 163 =
4
2
180
3
|
15.
301 + 663 =
3
2
4
964
|
16.
90 + 619 =
2
3
709
4
|
|
17.
423 + 535 =
3
4
2
958
|
18.
656 – 198 =
458
2
4
3
|
19.
289 – 284 =
3
1
2
5
|
20.
371 – 195 =
176
2
4
3
|