Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
768 – 647 =
121
2
|
2.
302 + 73 =
375
2
|
3.
792 + 8 =
800
2
|
4.
946 – 693 =
253
2
|
|
5.
579 – 356 =
2
223
|
6.
316 – 187 =
129
2
|
7.
42 – 7 =
2
35
|
8.
697 – 430 =
267
2
|
|
9.
668 + 283 =
951
2
|
10.
191 + 432 =
623
2
|
11.
336 – 102 =
234
2
|
12.
949 – 146 =
2
803
|
|
13.
2 + 242 =
244
2
|
14.
840 – 627 =
213
2
|
15.
89 – 88 =
2
1
|
16.
889 – 645 =
2
244
|
|
17.
304 + 586 =
890
2
|
18.
837 + 152 =
2
989
|
19.
403 + 143 =
546
2
|
20.
571 + 77 =
2
648
|