Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	476	+		=	821
2.	761	+		=	1.503
3.	937	+		=	1.652
4.	256	+		=	491
5.	875	+		=	1.138
6.	559	+		=	1.107
7.	364	+		=	646
8.	657	+		=	1.256
9.	665	+		=	1.007
10.	976	+		=	1.544

Oefening 2
1.	897	+		=	1.585
2.	874	+		=	1.353
3.	935	+		=	1.171
4.	619	+		=	1.104
5.	476	+		=	926
6.	971	+		=	1.888
7.	796	+		=	1.490
8.	676	+		=	972
9.	739	+		=	1.281
10.	781	+		=	1.074

Oefening 3
1.	773	+		=	1.376
2.	904	+		=	1.105
3.	234	+		=	446
4.	509	+		=	933
5.	408	+		=	680
6.	513	+		=	828
7.	776	+		=	1.525
8.	579	+		=	1.103
9.	718	+		=	1.113
10.	764	+		=	979

Oefening 4
1.	457	+		=	858
2.	877	+		=	1.751
3.	553	+		=	1.071
4.	927	+		=	1.786
5.	664	+		=	914
6.	869	+		=	1.194
7.	425	+		=	722
8.	824	+		=	1.213
9.	596	+		=	1.085
10.	760	+		=	1.491

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	476	+	345	=	821
2.	761	+	742	=	1.503
3.	937	+	715	=	1.652
4.	256	+	235	=	491
5.	875	+	263	=	1.138
6.	559	+	548	=	1.107
7.	364	+	282	=	646
8.	657	+	599	=	1.256
9.	665	+	342	=	1.007
10.	976	+	568	=	1.544

Oefening 2
1.	897	+	688	=	1.585
2.	874	+	479	=	1.353
3.	935	+	236	=	1.171
4.	619	+	485	=	1.104
5.	476	+	450	=	926
6.	971	+	917	=	1.888
7.	796	+	694	=	1.490
8.	676	+	296	=	972
9.	739	+	542	=	1.281
10.	781	+	293	=	1.074

Oefening 3
1.	773	+	603	=	1.376
2.	904	+	201	=	1.105
3.	234	+	212	=	446
4.	509	+	424	=	933
5.	408	+	272	=	680
6.	513	+	315	=	828
7.	776	+	749	=	1.525
8.	579	+	524	=	1.103
9.	718	+	395	=	1.113
10.	764	+	215	=	979

Oefening 4
1.	457	+	401	=	858
2.	877	+	874	=	1.751
3.	553	+	518	=	1.071
4.	927	+	859	=	1.786
5.	664	+	250	=	914
6.	869	+	325	=	1.194
7.	425	+	297	=	722
8.	824	+	389	=	1.213
9.	596	+	489	=	1.085
10.	760	+	731	=	1.491