Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
927 – 274 =
2
653
|
2.
191 – 187 =
4
1
|
3.
911 + 56 =
967
2
|
4.
856 + 144 =
1000
2
|
|
5.
153 – 146 =
7
1
|
6.
980 + 13 =
2
993
|
7.
722 – 261 =
461
2
|
8.
999 – 144 =
2
855
|
|
9.
607 – 548 =
59
2
|
10.
906 – 486 =
420
2
|
11.
893 + 92 =
2
985
|
12.
10 – 4 =
6
1
|
|
13.
933 – 169 =
2
764
|
14.
389 – 325 =
64
2
|
15.
178 + 708 =
2
886
|
16.
172 + 399 =
571
2
|
|
17.
377 – 143 =
234
2
|
18.
35 + 455 =
490
2
|
19.
862 – 674 =
2
188
|
20.
748 – 83 =
665
2
|