Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
791 – 402 =
3
389
4
2
|
2.
557 + 38 =
4
2
3
595
|
3.
469 + 126 =
3
4
2
595
|
4.
958 + 34 =
4
2
3
992
|
|
5.
498 + 88 =
586
3
4
2
|
6.
349 – 161 =
188
4
2
3
|
7.
864 – 662 =
3
202
2
4
|
8.
772 – 456 =
2
316
4
3
|
|
9.
723 + 150 =
873
3
2
4
|
10.
558 + 47 =
3
605
4
2
|
11.
237 – 212 =
2
25
4
3
|
12.
253 – 101 =
2
152
4
3
|
|
13.
921 – 13 =
3
908
2
4
|
14.
879 + 0 =
879
3
2
4
|
15.
929 – 191 =
3
738
4
2
|
16.
943 – 649 =
3
4
2
294
|
|
17.
85 – 3 =
82
4
2
3
|
18.
570 – 391 =
4
2
3
179
|
19.
683 – 503 =
2
180
3
4
|
20.
272 + 36 =
308
3
4
2
|