Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	485	+		=	755
2.	408	+		=	689
3.	515	+		=	975
4.	916	+		=	1.132
5.	498	+		=	945
6.	765	+		=	1.092
7.	634	+		=	1.071
8.	975	+		=	1.676
9.	816	+		=	1.056
10.	645	+		=	1.116

Oefening 2
1.	709	+		=	1.245
2.	226	+		=	430
3.	511	+		=	961
4.	672	+		=	964
5.	253	+		=	487
6.	805	+		=	1.152
7.	900	+		=	1.103
8.	815	+		=	1.174
9.	591	+		=	999
10.	680	+		=	965

Oefening 3
1.	894	+		=	1.775
2.	928	+		=	1.782
3.	731	+		=	1.147
4.	222	+		=	434
5.	402	+		=	609
6.	991	+		=	1.216
7.	727	+		=	1.288
8.	828	+		=	1.145
9.	958	+		=	1.502
10.	427	+		=	709

Oefening 4
1.	827	+		=	1.291
2.	843	+		=	1.044
3.	668	+		=	1.246
4.	552	+		=	794
5.	853	+		=	1.304
6.	736	+		=	1.463
7.	802	+		=	1.196
8.	324	+		=	575
9.	988	+		=	1.673
10.	365	+		=	679

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	485	+	270	=	755
2.	408	+	281	=	689
3.	515	+	460	=	975
4.	916	+	216	=	1.132
5.	498	+	447	=	945
6.	765	+	327	=	1.092
7.	634	+	437	=	1.071
8.	975	+	701	=	1.676
9.	816	+	240	=	1.056
10.	645	+	471	=	1.116

Oefening 2
1.	709	+	536	=	1.245
2.	226	+	204	=	430
3.	511	+	450	=	961
4.	672	+	292	=	964
5.	253	+	234	=	487
6.	805	+	347	=	1.152
7.	900	+	203	=	1.103
8.	815	+	359	=	1.174
9.	591	+	408	=	999
10.	680	+	285	=	965

Oefening 3
1.	894	+	881	=	1.775
2.	928	+	854	=	1.782
3.	731	+	416	=	1.147
4.	222	+	212	=	434
5.	402	+	207	=	609
6.	991	+	225	=	1.216
7.	727	+	561	=	1.288
8.	828	+	317	=	1.145
9.	958	+	544	=	1.502
10.	427	+	282	=	709

Oefening 4
1.	827	+	464	=	1.291
2.	843	+	201	=	1.044
3.	668	+	578	=	1.246
4.	552	+	242	=	794
5.	853	+	451	=	1.304
6.	736	+	727	=	1.463
7.	802	+	394	=	1.196
8.	324	+	251	=	575
9.	988	+	685	=	1.673
10.	365	+	314	=	679