Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
587 – 537 =
2
50
|
2.
108 + 735 =
2
843
|
3.
627 – 117 =
510
2
|
4.
255 – 57 =
2
198
|
|
5.
846 + 118 =
964
2
|
6.
444 – 419 =
2
25
|
7.
366 + 67 =
2
433
|
8.
260 – 57 =
203
2
|
|
9.
179 + 326 =
2
505
|
10.
831 – 196 =
635
2
|
11.
509 + 305 =
814
2
|
12.
492 + 183 =
675
2
|
|
13.
50 – 48 =
2
1
|
14.
401 + 127 =
2
528
|
15.
624 + 199 =
2
823
|
16.
122 + 133 =
2
255
|
|
17.
117 – 28 =
2
89
|
18.
600 + 283 =
2
883
|
19.
45 + 445 =
2
490
|
20.
615 – 498 =
2
117
|