Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	627	+		=	1.054
2.	875	+		=	1.727
3.	611	+		=	866
4.	866	+		=	1.109
5.	340	+		=	615
6.	927	+		=	1.227
7.	794	+		=	1.347
8.	958	+		=	1.395
9.	981	+		=	1.551
10.	679	+		=	1.159

Oefening 2
1.	514	+		=	874
2.	955	+		=	1.550
3.	628	+		=	926
4.	904	+		=	1.678
5.	404	+		=	769
6.	662	+		=	1.269
7.	509	+		=	747
8.	533	+		=	750
9.	986	+		=	1.965
10.	775	+		=	1.032

Oefening 3
1.	989	+		=	1.715
2.	669	+		=	1.166
3.	650	+		=	968
4.	842	+		=	1.335
5.	371	+		=	687
6.	625	+		=	897
7.	876	+		=	1.120
8.	412	+		=	781
9.	512	+		=	859
10.	323	+		=	573

Oefening 4
1.	915	+		=	1.613
2.	999	+		=	1.882
3.	885	+		=	1.348
4.	894	+		=	1.750
5.	925	+		=	1.656
6.	920	+		=	1.577
7.	729	+		=	1.051
8.	832	+		=	1.431
9.	512	+		=	805
10.	642	+		=	885

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	627	+	427	=	1.054
2.	875	+	852	=	1.727
3.	611	+	255	=	866
4.	866	+	243	=	1.109
5.	340	+	275	=	615
6.	927	+	300	=	1.227
7.	794	+	553	=	1.347
8.	958	+	437	=	1.395
9.	981	+	570	=	1.551
10.	679	+	480	=	1.159

Oefening 2
1.	514	+	360	=	874
2.	955	+	595	=	1.550
3.	628	+	298	=	926
4.	904	+	774	=	1.678
5.	404	+	365	=	769
6.	662	+	607	=	1.269
7.	509	+	238	=	747
8.	533	+	217	=	750
9.	986	+	979	=	1.965
10.	775	+	257	=	1.032

Oefening 3
1.	989	+	726	=	1.715
2.	669	+	497	=	1.166
3.	650	+	318	=	968
4.	842	+	493	=	1.335
5.	371	+	316	=	687
6.	625	+	272	=	897
7.	876	+	244	=	1.120
8.	412	+	369	=	781
9.	512	+	347	=	859
10.	323	+	250	=	573

Oefening 4
1.	915	+	698	=	1.613
2.	999	+	883	=	1.882
3.	885	+	463	=	1.348
4.	894	+	856	=	1.750
5.	925	+	731	=	1.656
6.	920	+	657	=	1.577
7.	729	+	322	=	1.051
8.	832	+	599	=	1.431
9.	512	+	293	=	805
10.	642	+	243	=	885