Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
743 – 314 =
2
429
|
2.
864 – 475 =
389
2
|
3.
214 + 477 =
691
2
|
4.
108 – 1 =
107
2
|
|
5.
465 – 234 =
2
231
|
6.
278 – 144 =
134
2
|
7.
846 – 530 =
2
316
|
8.
946 – 450 =
2
496
|
|
9.
977 – 194 =
783
2
|
10.
791 – 712 =
2
79
|
11.
611 – 271 =
2
340
|
12.
968 – 129 =
2
839
|
|
13.
815 + 1 =
2
816
|
14.
384 + 243 =
627
2
|
15.
723 + 49 =
772
2
|
16.
151 + 254 =
2
405
|
|
17.
670 – 319 =
351
2
|
18.
796 – 78 =
2
718
|
19.
331 + 253 =
584
2
|
20.
346 – 143 =
2
203
|