Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
743 – 426 =
3
317
2
4
|
2.
572 – 248 =
3
2
4
324
|
3.
387 + 109 =
496
3
4
2
|
4.
672 + 124 =
3
4
2
796
|
|
5.
941 + 46 =
987
3
2
4
|
6.
464 – 64 =
2
3
400
4
|
7.
181 – 168 =
3
13
1
2
|
8.
910 – 577 =
4
2
333
3
|
|
9.
649 + 114 =
763
3
4
2
|
10.
499 – 226 =
4
2
273
3
|
11.
128 + 158 =
2
4
286
3
|
12.
314 – 102 =
4
2
212
3
|
|
13.
403 + 406 =
809
4
3
2
|
14.
198 + 602 =
2
800
4
3
|
15.
148 + 570 =
2
718
3
4
|
16.
645 – 548 =
2
97
3
4
|
|
17.
700 – 348 =
352
4
2
3
|
18.
976 + 8 =
2
984
3
4
|
19.
741 + 56 =
797
4
3
2
|
20.
977 + 11 =
2
4
3
988
|