Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
81 + 51 =
4
2
132
3
|
2.
780 + 86 =
2
4
866
3
|
3.
355 – 200 =
3
155
2
4
|
4.
39 + 636 =
2
4
675
3
|
|
5.
276 + 427 =
703
2
4
3
|
6.
339 + 411 =
2
750
3
4
|
7.
945 + 37 =
2
982
4
3
|
8.
138 – 1 =
4
137
2
3
|
|
9.
594 – 526 =
4
3
2
68
|
10.
393 + 144 =
537
4
3
2
|
11.
595 – 203 =
3
4
392
2
|
12.
216 – 125 =
3
4
91
2
|
|
13.
983 + 16 =
4
999
2
3
|
14.
699 + 287 =
2
4
986
3
|
15.
485 – 160 =
4
2
325
3
|
16.
129 + 739 =
2
868
3
4
|
|
17.
73 – 28 =
2
3
45
4
|
18.
212 – 125 =
2
4
87
3
|
19.
582 + 76 =
4
2
658
3
|
20.
210 – 45 =
2
4
165
3
|