Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
305 – 178 =
2
4
3
127
|
2.
120 + 250 =
4
2
370
3
|
3.
605 + 129 =
2
3
4
734
|
4.
458 – 237 =
4
3
221
2
|
|
5.
38 + 252 =
290
2
4
3
|
6.
779 + 118 =
3
4
2
897
|
7.
877 – 874 =
1
2
3
4
|
8.
284 – 118 =
3
166
4
2
|
|
9.
841 + 88 =
2
3
4
929
|
10.
782 – 749 =
33
2
3
4
|
11.
153 – 60 =
93
4
3
2
|
12.
14 + 235 =
3
2
249
4
|
|
13.
761 + 105 =
3
866
2
4
|
14.
53 – 25 =
28
3
4
2
|
15.
902 + 44 =
3
946
4
2
|
16.
173 – 106 =
3
4
67
2
|
|
17.
147 – 102 =
2
3
4
45
|
18.
189 – 85 =
2
104
3
4
|
19.
6 + 476 =
3
482
4
2
|
20.
361 + 132 =
493
2
4
3
|