Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
518 – 83 =
435
2
|
2.
521 – 500 =
2
21
|
3.
567 + 37 =
2
604
|
4.
135 – 99 =
36
2
|
|
5.
923 – 785 =
2
138
|
6.
645 + 159 =
804
2
|
7.
658 – 601 =
57
2
|
8.
297 – 159 =
138
2
|
|
9.
618 – 381 =
237
2
|
10.
929 – 308 =
621
2
|
11.
830 – 317 =
513
2
|
12.
773 + 187 =
960
2
|
|
13.
923 – 439 =
2
484
|
14.
51 – 39 =
1
12
|
15.
618 – 210 =
2
408
|
16.
719 + 143 =
2
862
|
|
17.
949 – 927 =
22
2
|
18.
552 + 357 =
909
2
|
19.
149 – 10 =
2
139
|
20.
6 – 0 =
1
6
|