Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	555	+		=	765
2.	622	+		=	992
3.	524	+		=	772
4.	609	+		=	920
5.	853	+		=	1.413
6.	372	+		=	729
7.	544	+		=	803
8.	821	+		=	1.631
9.	828	+		=	1.182
10.	273	+		=	488

Oefening 2
1.	786	+		=	1.084
2.	664	+		=	945
3.	896	+		=	1.129
4.	596	+		=	1.009
5.	936	+		=	1.775
6.	897	+		=	1.178
7.	977	+		=	1.687
8.	612	+		=	815
9.	537	+		=	773
10.	780	+		=	1.559

Oefening 3
1.	776	+		=	1.088
2.	802	+		=	1.454
3.	999	+		=	1.530
4.	940	+		=	1.401
5.	850	+		=	1.065
6.	970	+		=	1.799
7.	628	+		=	956
8.	591	+		=	791
9.	703	+		=	1.140
10.	329	+		=	594

Oefening 4
1.	898	+		=	1.673
2.	886	+		=	1.563
3.	940	+		=	1.381
4.	849	+		=	1.482
5.	893	+		=	1.571
6.	794	+		=	1.510
7.	895	+		=	1.260
8.	788	+		=	1.204
9.	247	+		=	464
10.	580	+		=	850

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	555	+	210	=	765
2.	622	+	370	=	992
3.	524	+	248	=	772
4.	609	+	311	=	920
5.	853	+	560	=	1.413
6.	372	+	357	=	729
7.	544	+	259	=	803
8.	821	+	810	=	1.631
9.	828	+	354	=	1.182
10.	273	+	215	=	488

Oefening 2
1.	786	+	298	=	1.084
2.	664	+	281	=	945
3.	896	+	233	=	1.129
4.	596	+	413	=	1.009
5.	936	+	839	=	1.775
6.	897	+	281	=	1.178
7.	977	+	710	=	1.687
8.	612	+	203	=	815
9.	537	+	236	=	773
10.	780	+	779	=	1.559

Oefening 3
1.	776	+	312	=	1.088
2.	802	+	652	=	1.454
3.	999	+	531	=	1.530
4.	940	+	461	=	1.401
5.	850	+	215	=	1.065
6.	970	+	829	=	1.799
7.	628	+	328	=	956
8.	591	+	200	=	791
9.	703	+	437	=	1.140
10.	329	+	265	=	594

Oefening 4
1.	898	+	775	=	1.673
2.	886	+	677	=	1.563
3.	940	+	441	=	1.381
4.	849	+	633	=	1.482
5.	893	+	678	=	1.571
6.	794	+	716	=	1.510
7.	895	+	365	=	1.260
8.	788	+	416	=	1.204
9.	247	+	217	=	464
10.	580	+	270	=	850