Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	392	+		=	612
2.	388	+		=	682
3.	757	+		=	1.136
4.	1.000	+		=	1.343
5.	726	+		=	1.445
6.	750	+		=	1.169
7.	517	+		=	852
8.	904	+		=	1.573
9.	698	+		=	1.384
10.	959	+		=	1.547

Oefening 2
1.	846	+		=	1.490
2.	847	+		=	1.550
3.	621	+		=	1.180
4.	722	+		=	1.263
5.	933	+		=	1.394
6.	571	+		=	831
7.	467	+		=	685
8.	710	+		=	1.302
9.	804	+		=	1.238
10.	969	+		=	1.875

Oefening 3
1.	802	+		=	1.493
2.	491	+		=	826
3.	836	+		=	1.048
4.	597	+		=	801
5.	912	+		=	1.245
6.	772	+		=	1.521
7.	858	+		=	1.126
8.	699	+		=	1.330
9.	953	+		=	1.733
10.	265	+		=	475

Oefening 4
1.	667	+		=	927
2.	361	+		=	639
3.	706	+		=	972
4.	811	+		=	1.253
5.	947	+		=	1.575
6.	911	+		=	1.717
7.	691	+		=	1.186
8.	449	+		=	800
9.	759	+		=	1.510
10.	767	+		=	1.114

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	392	+	220	=	612
2.	388	+	294	=	682
3.	757	+	379	=	1.136
4.	1.000	+	343	=	1.343
5.	726	+	719	=	1.445
6.	750	+	419	=	1.169
7.	517	+	335	=	852
8.	904	+	669	=	1.573
9.	698	+	686	=	1.384
10.	959	+	588	=	1.547

Oefening 2
1.	846	+	644	=	1.490
2.	847	+	703	=	1.550
3.	621	+	559	=	1.180
4.	722	+	541	=	1.263
5.	933	+	461	=	1.394
6.	571	+	260	=	831
7.	467	+	218	=	685
8.	710	+	592	=	1.302
9.	804	+	434	=	1.238
10.	969	+	906	=	1.875

Oefening 3
1.	802	+	691	=	1.493
2.	491	+	335	=	826
3.	836	+	212	=	1.048
4.	597	+	204	=	801
5.	912	+	333	=	1.245
6.	772	+	749	=	1.521
7.	858	+	268	=	1.126
8.	699	+	631	=	1.330
9.	953	+	780	=	1.733
10.	265	+	210	=	475

Oefening 4
1.	667	+	260	=	927
2.	361	+	278	=	639
3.	706	+	266	=	972
4.	811	+	442	=	1.253
5.	947	+	628	=	1.575
6.	911	+	806	=	1.717
7.	691	+	495	=	1.186
8.	449	+	351	=	800
9.	759	+	751	=	1.510
10.	767	+	347	=	1.114