Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
231 – 150 =
81
2
|
2.
383 + 193 =
576
2
|
3.
357 + 417 =
774
2
|
4.
429 + 139 =
2
568
|
|
5.
764 + 147 =
911
2
|
6.
994 – 305 =
689
2
|
7.
984 + 6 =
2
990
|
8.
155 – 68 =
2
87
|
|
9.
647 + 187 =
2
834
|
10.
863 – 95 =
768
2
|
11.
646 – 23 =
2
623
|
12.
617 + 212 =
829
2
|
|
13.
420 + 100 =
520
2
|
14.
856 + 73 =
2
929
|
15.
643 + 179 =
2
822
|
16.
702 – 203 =
2
499
|
|
17.
180 – 129 =
2
51
|
18.
434 + 4 =
2
438
|
19.
876 – 777 =
99
2
|
20.
54 + 328 =
2
382
|