Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
754 – 270 =
484
2
|
2.
681 – 621 =
60
2
|
3.
572 – 313 =
2
259
|
4.
809 – 635 =
2
174
|
|
5.
909 – 184 =
2
725
|
6.
869 – 567 =
302
2
|
7.
936 – 212 =
724
2
|
8.
169 + 615 =
2
784
|
|
9.
316 – 137 =
2
179
|
10.
559 + 351 =
2
910
|
11.
789 – 254 =
535
2
|
12.
680 + 197 =
2
877
|
|
13.
124 – 30 =
2
94
|
14.
36 – 18 =
2
18
|
15.
977 + 15 =
2
992
|
16.
93 + 888 =
2
981
|
|
17.
888 – 461 =
2
427
|
18.
378 + 162 =
540
2
|
19.
311 – 123 =
188
2
|
20.
862 + 78 =
2
940
|