Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
574 – 191 =
383
4
2
3
|
2.
156 + 769 =
2
4
925
3
|
3.
314 – 73 =
4
241
3
2
|
4.
870 + 29 =
2
3
4
899
|
|
5.
22 – 3 =
19
3
2
4
|
6.
913 – 110 =
803
2
3
4
|
7.
365 – 184 =
181
3
2
4
|
8.
413 – 130 =
2
3
283
4
|
|
9.
136 – 51 =
3
2
4
85
|
10.
147 + 278 =
4
3
2
425
|
11.
367 + 437 =
4
3
804
2
|
12.
234 + 406 =
4
2
3
640
|
|
13.
445 + 328 =
2
3
773
4
|
14.
388 + 334 =
3
722
2
4
|
15.
843 + 44 =
4
887
2
3
|
16.
170 + 246 =
4
2
416
3
|
|
17.
942 + 49 =
2
991
3
4
|
18.
169 + 628 =
797
3
2
4
|
19.
792 + 75 =
2
3
4
867
|
20.
806 + 67 =
2
4
873
3
|