Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
233 – 75 =
3
2
4
158
|
2.
375 – 98 =
277
3
2
4
|
3.
700 – 300 =
4
3
2
400
|
4.
901 + 6 =
2
4
907
3
|
|
5.
65 + 634 =
699
3
4
2
|
6.
660 + 178 =
3
2
838
4
|
7.
777 – 480 =
297
2
4
3
|
8.
97 + 17 =
114
4
2
3
|
|
9.
730 – 277 =
453
4
2
3
|
10.
253 + 321 =
574
3
2
4
|
11.
412 – 222 =
2
3
190
4
|
12.
280 – 74 =
206
3
4
2
|
|
13.
241 – 225 =
3
16
2
4
|
14.
797 + 190 =
3
4
987
2
|
15.
153 + 201 =
4
3
2
354
|
16.
533 – 439 =
4
3
2
94
|
|
17.
84 + 588 =
672
4
3
2
|
18.
65 + 707 =
2
772
3
4
|
19.
457 + 121 =
2
578
3
4
|
20.
351 – 82 =
3
4
269
2
|