Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
470 + 445 =
2
4
3
915
|
2.
720 + 197 =
4
2
3
917
|
3.
319 – 264 =
3
2
4
55
|
4.
840 – 263 =
577
2
4
3
|
|
5.
984 + 9 =
4
3
2
993
|
6.
848 – 553 =
295
4
2
3
|
7.
142 – 75 =
4
3
2
67
|
8.
517 – 424 =
3
2
93
4
|
|
9.
446 + 481 =
3
927
4
2
|
10.
151 – 59 =
92
2
4
3
|
11.
212 + 148 =
2
4
360
3
|
12.
518 – 283 =
2
3
235
4
|
|
13.
442 – 63 =
3
379
2
4
|
14.
474 + 294 =
3
768
4
2
|
15.
273 + 511 =
3
784
4
2
|
16.
195 – 72 =
123
2
3
4
|
|
17.
647 – 417 =
230
4
3
2
|
18.
142 + 782 =
4
2
3
924
|
19.
403 + 552 =
4
2
3
955
|
20.
519 – 307 =
3
212
4
2
|