Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
527 – 389 =
138
2
|
2.
90 – 36 =
2
54
|
3.
899 + 25 =
924
2
|
4.
876 + 40 =
916
2
|
|
5.
766 + 69 =
835
2
|
6.
118 + 50 =
2
168
|
7.
444 – 81 =
363
2
|
8.
361 + 107 =
2
468
|
|
9.
461 – 386 =
2
75
|
10.
767 – 157 =
2
610
|
11.
647 – 313 =
334
2
|
12.
171 – 43 =
2
128
|
|
13.
181 – 138 =
43
2
|
14.
770 – 754 =
2
16
|
15.
366 + 422 =
788
2
|
16.
674 – 507 =
167
2
|
|
17.
880 + 8 =
2
888
|
18.
557 – 189 =
2
368
|
19.
835 – 7 =
828
2
|
20.
493 – 406 =
2
87
|