Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
719 – 665 =
2
4
54
3
|
2.
913 – 796 =
117
3
4
2
|
3.
743 + 10 =
753
3
2
4
|
4.
911 – 235 =
3
4
676
2
|
|
5.
770 + 70 =
2
840
4
3
|
6.
119 + 634 =
3
4
753
2
|
7.
451 + 142 =
4
3
2
593
|
8.
266 – 24 =
242
3
2
4
|
|
9.
124 – 26 =
4
3
98
2
|
10.
220 + 392 =
612
4
3
2
|
11.
531 + 261 =
3
792
4
2
|
12.
718 – 277 =
3
2
4
441
|
|
13.
282 – 165 =
117
3
4
2
|
14.
197 + 422 =
2
3
619
4
|
15.
380 + 275 =
655
3
2
4
|
16.
485 – 396 =
4
2
3
89
|
|
17.
189 + 709 =
2
4
3
898
|
18.
185 + 125 =
2
4
310
3
|
19.
464 – 274 =
4
2
190
3
|
20.
917 + 82 =
3
4
999
2
|