Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
347 – 243 =
2
104
|
2.
639 + 214 =
2
853
|
3.
905 + 50 =
2
955
|
4.
696 – 66 =
2
630
|
|
5.
763 – 444 =
2
319
|
6.
41 + 688 =
729
2
|
7.
216 – 213 =
3
1
|
8.
612 – 546 =
66
2
|
|
9.
715 + 175 =
2
890
|
10.
943 – 541 =
402
2
|
11.
893 – 686 =
2
207
|
12.
611 – 256 =
2
355
|
|
13.
963 – 922 =
41
2
|
14.
20 + 370 =
390
2
|
15.
613 + 243 =
2
856
|
16.
351 + 264 =
2
615
|
|
17.
952 + 31 =
983
2
|
18.
513 – 77 =
436
2
|
19.
680 + 51 =
2
731
|
20.
390 + 526 =
916
2
|