Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
2 – 0 =
4
1
2
3
|
2.
847 – 353 =
3
494
2
4
|
3.
443 + 323 =
4
766
2
3
|
4.
635 + 91 =
4
3
2
726
|
|
5.
188 + 803 =
2
3
991
4
|
6.
347 + 314 =
4
3
2
661
|
7.
825 – 143 =
4
2
3
682
|
8.
568 – 137 =
2
3
4
431
|
|
9.
485 – 476 =
9
2
3
1
|
10.
953 + 24 =
3
2
977
4
|
11.
339 + 10 =
2
349
4
3
|
12.
423 – 217 =
3
2
4
206
|
|
13.
86 – 35 =
2
3
4
51
|
14.
291 – 138 =
153
2
3
4
|
15.
139 + 213 =
3
352
2
4
|
16.
819 – 214 =
4
3
605
2
|
|
17.
359 + 481 =
2
3
840
4
|
18.
639 + 275 =
2
914
3
4
|
19.
83 – 75 =
3
1
8
2
|
20.
77 + 753 =
4
830
3
2
|