Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
679 + 210 =
889
2
4
3
|
2.
420 – 175 =
245
2
4
3
|
3.
762 – 334 =
4
2
3
428
|
4.
875 – 542 =
2
333
3
4
|
|
5.
758 + 64 =
2
3
4
822
|
6.
109 + 198 =
4
2
307
3
|
7.
150 + 321 =
4
3
2
471
|
8.
394 + 595 =
989
4
2
3
|
|
9.
552 – 197 =
2
355
4
3
|
10.
694 + 175 =
869
2
4
3
|
11.
815 + 100 =
3
4
2
915
|
12.
178 – 171 =
3
1
7
2
|
|
13.
563 – 337 =
3
4
226
2
|
14.
610 + 168 =
3
4
778
2
|
15.
120 – 45 =
75
4
2
3
|
16.
140 – 87 =
3
4
53
2
|
|
17.
780 – 644 =
136
4
3
2
|
18.
618 + 156 =
774
3
4
2
|
19.
886 + 54 =
940
4
3
2
|
20.
431 – 35 =
4
3
396
2
|