Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
788 – 218 =
2
4
570
3
|
2.
682 – 622 =
3
4
2
60
|
3.
496 + 332 =
4
828
3
2
|
4.
225 – 91 =
134
4
3
2
|
|
5.
605 + 272 =
3
877
4
2
|
6.
77 + 531 =
2
4
3
608
|
7.
784 + 127 =
911
2
3
4
|
8.
781 + 194 =
3
2
4
975
|
|
9.
905 + 21 =
3
2
926
4
|
10.
145 + 175 =
4
320
2
3
|
11.
143 – 47 =
96
4
3
2
|
12.
890 + 43 =
933
2
4
3
|
|
13.
462 – 124 =
4
338
2
3
|
14.
272 + 170 =
442
3
4
2
|
15.
574 + 19 =
593
2
4
3
|
16.
66 + 292 =
4
358
2
3
|
|
17.
605 + 110 =
3
4
2
715
|
18.
688 + 137 =
825
2
4
3
|
19.
396 – 196 =
2
200
4
3
|
20.
185 – 26 =
159
4
3
2
|