Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
703 + 64 =
2
4
767
3
|
2.
665 – 24 =
641
4
3
2
|
3.
842 + 70 =
2
912
4
3
|
4.
673 – 443 =
3
4
2
230
|
|
5.
338 + 348 =
4
686
2
3
|
6.
110 + 409 =
4
519
2
3
|
7.
451 + 243 =
2
694
4
3
|
8.
743 + 94 =
4
3
2
837
|
|
9.
78 + 680 =
4
758
3
2
|
10.
417 + 45 =
4
462
3
2
|
11.
194 + 503 =
697
4
3
2
|
12.
343 – 210 =
3
2
4
133
|
|
13.
134 – 92 =
42
4
3
2
|
14.
582 + 75 =
4
2
3
657
|
15.
316 + 162 =
3
2
4
478
|
16.
428 + 296 =
724
2
4
3
|
|
17.
85 + 100 =
185
4
3
2
|
18.
85 – 30 =
55
4
3
2
|
19.
616 + 234 =
4
850
3
2
|
20.
862 + 3 =
3
4
2
865
|