Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
998 – 764 =
2
234
|
2.
402 – 305 =
97
2
|
3.
223 + 197 =
420
2
|
4.
829 + 133 =
2
962
|
|
5.
369 – 230 =
139
2
|
6.
413 – 249 =
164
2
|
7.
155 + 12 =
167
2
|
8.
614 + 360 =
2
974
|
|
9.
43 + 180 =
2
223
|
10.
722 + 15 =
737
2
|
11.
306 + 551 =
2
857
|
12.
970 + 1 =
971
2
|
|
13.
521 – 159 =
2
362
|
14.
850 + 119 =
2
969
|
15.
447 – 122 =
2
325
|
16.
531 + 380 =
911
2
|
|
17.
763 + 79 =
842
2
|
18.
693 + 183 =
876
2
|
19.
4 – 0 =
4
1
|
20.
909 + 68 =
977
2
|