Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
599 – 171 =
428
2
|
2.
278 – 110 =
168
2
|
3.
405 – 202 =
203
2
|
4.
560 + 351 =
911
2
|
|
5.
903 – 163 =
740
2
|
6.
496 – 415 =
81
2
|
7.
908 + 1 =
2
909
|
8.
293 – 195 =
2
98
|
|
9.
361 + 10 =
2
371
|
10.
592 – 511 =
2
81
|
11.
89 + 554 =
2
643
|
12.
375 + 279 =
2
654
|
|
13.
233 + 25 =
258
2
|
14.
876 – 840 =
2
36
|
15.
346 + 355 =
2
701
|
16.
750 + 111 =
2
861
|
|
17.
199 + 494 =
693
2
|
18.
709 – 659 =
50
2
|
19.
16 + 816 =
2
832
|
20.
700 – 169 =
531
2
|