Oefen de erbijsom en erafsom tot 1.000
In de mix
|
1.
14 + 612 =
626
2
|
2.
565 + 101 =
666
2
|
3.
462 + 104 =
566
2
|
4.
880 + 45 =
2
925
|
|
5.
197 – 2 =
195
2
|
6.
176 – 57 =
2
119
|
7.
953 + 32 =
2
985
|
8.
896 – 178 =
718
2
|
|
9.
765 + 14 =
2
779
|
10.
884 – 175 =
709
2
|
11.
929 + 40 =
969
2
|
12.
58 + 729 =
2
787
|
|
13.
861 + 75 =
936
2
|
14.
180 + 654 =
2
834
|
15.
644 – 639 =
5
1
|
16.
474 + 132 =
2
606
|
|
17.
98 – 78 =
2
20
|
18.
404 – 294 =
2
110
|
19.
137 + 736 =
2
873
|
20.
773 + 33 =
2
806
|