Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
449 – 179 =
270
2
|
2.
458 – 208 =
2
250
|
3.
480 – 374 =
2
106
|
4.
216 + 143 =
359
2
|
|
5.
710 – 640 =
2
70
|
6.
238 – 133 =
2
105
|
7.
964 – 380 =
584
2
|
8.
602 + 381 =
2
983
|
|
9.
90 – 18 =
72
2
|
10.
526 + 67 =
593
2
|
11.
288 + 511 =
799
2
|
12.
358 + 565 =
2
923
|
|
13.
710 – 210 =
500
2
|
14.
456 + 365 =
2
821
|
15.
599 – 326 =
273
2
|
16.
786 + 157 =
2
943
|
|
17.
811 – 591 =
220
2
|
18.
145 – 126 =
2
19
|
19.
316 + 202 =
518
2
|
20.
712 – 77 =
2
635
|