Oefen de erbijsom en erafsom tot 1.000
In de mix
|
1.
376 – 119 =
257
2
|
2.
596 – 249 =
347
2
|
3.
1 – 1 =
0
2
|
4.
196 – 6 =
190
2
|
|
5.
743 + 26 =
769
2
|
6.
434 + 30 =
464
2
|
7.
782 – 515 =
2
267
|
8.
982 – 342 =
640
2
|
|
9.
420 – 302 =
2
118
|
10.
911 – 445 =
2
466
|
11.
712 + 111 =
823
2
|
12.
479 – 397 =
2
82
|
|
13.
999 + 0 =
999
2
|
14.
408 – 215 =
2
193
|
15.
783 + 129 =
2
912
|
16.
66 – 45 =
2
21
|
|
17.
550 + 128 =
2
678
|
18.
116 – 56 =
2
60
|
19.
108 – 103 =
5
1
|
20.
966 + 16 =
982
2
|