Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
551 – 327 =
4
224
2
3
|
2.
181 + 298 =
479
3
4
2
|
3.
636 + 169 =
3
805
2
4
|
4.
257 – 154 =
4
103
2
3
|
|
5.
149 + 111 =
260
3
4
2
|
6.
658 + 127 =
2
785
3
4
|
7.
592 + 204 =
2
4
796
3
|
8.
879 + 66 =
4
945
3
2
|
|
9.
317 – 247 =
2
4
3
70
|
10.
977 + 6 =
4
3
983
2
|
11.
657 + 75 =
3
4
2
732
|
12.
564 – 154 =
3
4
2
410
|
|
13.
576 – 163 =
2
3
413
4
|
14.
463 + 13 =
476
2
4
3
|
15.
371 – 312 =
59
2
4
3
|
16.
85 + 29 =
4
114
2
3
|
|
17.
904 – 435 =
4
3
469
2
|
18.
303 – 287 =
4
3
16
2
|
19.
317 – 280 =
37
2
3
4
|
20.
777 + 212 =
4
3
989
2
|