Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
831 – 680 =
2
151
|
2.
937 – 711 =
2
226
|
3.
580 – 446 =
134
2
|
4.
740 – 715 =
25
2
|
|
5.
510 – 168 =
342
2
|
6.
594 – 156 =
2
438
|
7.
302 – 269 =
33
2
|
8.
331 + 210 =
541
2
|
|
9.
873 – 198 =
675
2
|
10.
405 + 166 =
2
571
|
11.
318 – 299 =
19
2
|
12.
475 + 393 =
2
868
|
|
13.
946 – 122 =
824
2
|
14.
170 – 40 =
2
130
|
15.
860 + 28 =
888
2
|
16.
378 – 287 =
91
2
|
|
17.
50 – 44 =
6
1
|
18.
436 + 81 =
517
2
|
19.
117 – 66 =
2
51
|
20.
825 + 32 =
2
857
|