Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
897 – 35 =
2
862
4
3
|
2.
835 + 155 =
3
2
990
4
|
3.
83 + 218 =
4
2
301
3
|
4.
671 – 184 =
3
4
2
487
|
|
5.
180 + 59 =
239
4
2
3
|
6.
164 – 121 =
2
4
43
3
|
7.
750 – 652 =
3
4
98
2
|
8.
345 + 469 =
814
4
2
3
|
|
9.
874 – 568 =
3
2
4
306
|
10.
560 – 377 =
183
2
3
4
|
11.
471 – 306 =
2
165
3
4
|
12.
820 + 89 =
2
909
3
4
|
|
13.
232 + 767 =
4
999
2
3
|
14.
862 + 32 =
2
894
3
4
|
15.
289 + 374 =
663
4
3
2
|
16.
604 – 117 =
3
4
487
2
|
|
17.
147 + 228 =
4
375
3
2
|
18.
981 + 14 =
4
2
995
3
|
19.
682 – 412 =
4
3
2
270
|
20.
850 + 67 =
917
4
3
2
|