Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
835 – 102 =
733
2
|
2.
552 + 73 =
2
625
|
3.
43 – 29 =
14
1
|
4.
85 – 12 =
73
2
|
|
5.
503 + 330 =
2
833
|
6.
104 + 233 =
337
2
|
7.
98 – 21 =
2
77
|
8.
939 + 37 =
2
976
|
|
9.
359 – 163 =
2
196
|
10.
417 – 187 =
2
230
|
11.
999 + 1 =
1000
2
|
12.
530 – 65 =
465
2
|
|
13.
894 + 93 =
987
2
|
14.
278 + 495 =
2
773
|
15.
147 + 475 =
622
2
|
16.
900 + 47 =
2
947
|
|
17.
249 – 23 =
2
226
|
18.
475 – 330 =
145
2
|
19.
539 + 407 =
2
946
|
20.
212 – 159 =
53
2
|