Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
870 – 147 =
2
723
|
2.
144 – 125 =
2
19
|
3.
832 – 139 =
693
2
|
4.
20 + 160 =
2
180
|
|
5.
87 + 792 =
879
2
|
6.
519 + 210 =
729
2
|
7.
621 – 63 =
558
2
|
8.
645 + 273 =
918
2
|
|
9.
142 + 137 =
279
2
|
10.
387 + 123 =
510
2
|
11.
826 – 435 =
391
2
|
12.
213 – 192 =
2
21
|
|
13.
171 + 102 =
2
273
|
14.
326 – 195 =
131
2
|
15.
152 – 43 =
109
2
|
16.
888 + 49 =
2
937
|
|
17.
896 – 74 =
2
822
|
18.
269 + 42 =
2
311
|
19.
274 + 672 =
946
2
|
20.
549 + 419 =
968
2
|