Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
972 + 16 =
988
2
4
3
|
2.
973 – 780 =
193
2
3
4
|
3.
747 – 543 =
2
204
3
4
|
4.
436 – 88 =
2
348
3
4
|
|
5.
405 – 275 =
4
130
3
2
|
6.
617 + 21 =
638
2
3
4
|
7.
30 – 18 =
3
2
1
12
|
8.
179 – 24 =
2
155
4
3
|
|
9.
726 + 107 =
2
3
4
833
|
10.
659 – 612 =
4
2
47
3
|
11.
170 + 806 =
3
4
2
976
|
12.
686 + 53 =
2
739
4
3
|
|
13.
863 + 123 =
4
3
2
986
|
14.
280 + 146 =
4
2
426
3
|
15.
610 – 445 =
2
165
3
4
|
16.
348 + 527 =
2
4
3
875
|
|
17.
721 – 421 =
4
2
3
300
|
18.
459 + 402 =
3
4
861
2
|
19.
810 – 718 =
2
3
4
92
|
20.
89 – 27 =
62
2
4
3
|