Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
685 + 134 =
2
4
3
819
|
2.
802 + 192 =
994
3
4
2
|
3.
452 + 418 =
3
870
2
4
|
4.
777 – 330 =
4
2
447
3
|
|
5.
758 – 149 =
4
3
2
609
|
6.
399 + 99 =
3
4
2
498
|
7.
179 – 107 =
2
3
72
4
|
8.
494 + 49 =
3
543
4
2
|
|
9.
646 + 350 =
996
2
4
3
|
10.
576 + 61 =
3
637
4
2
|
11.
514 + 475 =
4
3
2
989
|
12.
555 – 285 =
3
4
270
2
|
|
13.
356 – 165 =
191
2
3
4
|
14.
306 – 297 =
1
2
9
3
|
15.
99 – 84 =
3
2
1
15
|
16.
148 + 246 =
3
4
394
2
|
|
17.
49 + 488 =
3
537
2
4
|
18.
825 – 738 =
87
2
4
3
|
19.
584 + 152 =
2
4
3
736
|
20.
728 – 121 =
607
4
3
2
|