Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
433 – 329 =
2
104
|
2.
9 + 572 =
2
581
|
3.
317 – 190 =
127
2
|
4.
746 – 559 =
187
2
|
|
5.
560 + 237 =
2
797
|
6.
457 + 94 =
2
551
|
7.
239 + 19 =
258
2
|
8.
428 + 290 =
2
718
|
|
9.
870 – 465 =
2
405
|
10.
426 – 79 =
347
2
|
11.
481 – 195 =
2
286
|
12.
462 + 140 =
602
2
|
|
13.
879 + 7 =
886
2
|
14.
992 – 650 =
342
2
|
15.
699 – 582 =
117
2
|
16.
265 – 160 =
2
105
|
|
17.
517 – 273 =
2
244
|
18.
749 + 186 =
935
2
|
19.
316 – 169 =
2
147
|
20.
211 + 72 =
2
283
|