Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
718 – 83 =
4
2
3
635
|
2.
588 – 502 =
86
3
2
4
|
3.
325 + 108 =
433
2
4
3
|
4.
834 – 238 =
3
2
4
596
|
|
5.
722 – 110 =
4
612
3
2
|
6.
788 – 234 =
3
2
554
4
|
7.
828 + 113 =
4
2
941
3
|
8.
144 + 252 =
396
2
4
3
|
|
9.
704 – 533 =
3
4
2
171
|
10.
491 + 193 =
2
3
684
4
|
11.
346 + 155 =
4
2
501
3
|
12.
529 + 126 =
4
3
2
655
|
|
13.
136 + 257 =
3
393
2
4
|
14.
578 – 530 =
2
48
3
4
|
15.
428 + 516 =
4
2
944
3
|
16.
550 + 93 =
3
4
643
2
|
|
17.
513 – 374 =
2
139
4
3
|
18.
198 + 164 =
2
3
362
4
|
19.
192 + 242 =
434
2
3
4
|
20.
34 – 13 =
2
21
4
3
|