Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
420 – 155 =
265
2
|
2.
174 + 563 =
737
2
|
3.
244 – 154 =
2
90
|
4.
587 + 67 =
2
654
|
|
5.
783 + 52 =
2
835
|
6.
154 – 139 =
15
1
|
7.
101 – 73 =
28
2
|
8.
590 + 316 =
906
2
|
|
9.
70 – 15 =
2
55
|
10.
761 + 78 =
2
839
|
11.
281 – 279 =
1
2
|
12.
24 + 23 =
2
47
|
|
13.
228 + 88 =
316
2
|
14.
45 – 14 =
31
2
|
15.
369 – 354 =
1
15
|
16.
381 – 141 =
2
240
|
|
17.
307 + 548 =
2
855
|
18.
473 + 436 =
2
909
|
19.
411 + 26 =
2
437
|
20.
80 + 226 =
2
306
|