Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
740 – 559 =
181
2
|
2.
979 + 6 =
985
2
|
3.
759 + 140 =
2
899
|
4.
836 – 354 =
2
482
|
|
5.
492 – 145 =
347
2
|
6.
140 – 77 =
2
63
|
7.
121 – 107 =
1
14
|
8.
5 + 688 =
693
2
|
|
9.
810 + 65 =
2
875
|
10.
440 – 10 =
2
430
|
11.
709 – 67 =
642
2
|
12.
192 – 16 =
176
2
|
|
13.
357 – 205 =
2
152
|
14.
4 + 846 =
2
850
|
15.
456 – 359 =
97
2
|
16.
800 + 41 =
841
2
|
|
17.
565 + 323 =
2
888
|
18.
242 + 52 =
2
294
|
19.
77 – 20 =
2
57
|
20.
407 + 387 =
2
794
|