Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
715 + 66 =
2
781
|
2.
280 – 147 =
2
133
|
3.
639 – 501 =
2
138
|
4.
274 + 536 =
2
810
|
|
5.
92 – 55 =
2
37
|
6.
641 – 193 =
2
448
|
7.
651 – 331 =
2
320
|
8.
222 – 192 =
30
2
|
|
9.
18 – 7 =
1
11
|
10.
785 + 5 =
790
2
|
11.
689 + 79 =
2
768
|
12.
83 + 14 =
97
2
|
|
13.
305 – 290 =
15
1
|
14.
368 – 161 =
2
207
|
15.
186 + 477 =
663
2
|
16.
378 + 238 =
616
2
|
|
17.
721 + 124 =
2
845
|
18.
449 – 210 =
2
239
|
19.
547 – 434 =
2
113
|
20.
129 + 219 =
2
348
|