Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	912	+		=	1.707
2.	680	+		=	1.060
3.	947	+		=	1.847
4.	373	+		=	613
5.	789	+		=	1.212
6.	603	+		=	1.053
7.	963	+		=	1.757
8.	551	+		=	983
9.	900	+		=	1.495
10.	715	+		=	1.389

Oefening 2
1.	714	+		=	1.194
2.	891	+		=	1.527
3.	974	+		=	1.386
4.	365	+		=	659
5.	783	+		=	1.342
6.	619	+		=	1.183
7.	864	+		=	1.252
8.	910	+		=	1.428
9.	977	+		=	1.521
10.	768	+		=	1.246

Oefening 3
1.	572	+		=	789
2.	942	+		=	1.533
3.	589	+		=	842
4.	782	+		=	1.025
5.	754	+		=	1.278
6.	962	+		=	1.584
7.	923	+		=	1.603
8.	820	+		=	1.626
9.	974	+		=	1.519
10.	918	+		=	1.288

Oefening 4
1.	761	+		=	1.175
2.	614	+		=	925
3.	502	+		=	941
4.	863	+		=	1.172
5.	985	+		=	1.473
6.	815	+		=	1.476
7.	828	+		=	1.209
8.	998	+		=	1.731
9.	238	+		=	471
10.	778	+		=	1.133

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	912	+	795	=	1.707
2.	680	+	380	=	1.060
3.	947	+	900	=	1.847
4.	373	+	240	=	613
5.	789	+	423	=	1.212
6.	603	+	450	=	1.053
7.	963	+	794	=	1.757
8.	551	+	432	=	983
9.	900	+	595	=	1.495
10.	715	+	674	=	1.389

Oefening 2
1.	714	+	480	=	1.194
2.	891	+	636	=	1.527
3.	974	+	412	=	1.386
4.	365	+	294	=	659
5.	783	+	559	=	1.342
6.	619	+	564	=	1.183
7.	864	+	388	=	1.252
8.	910	+	518	=	1.428
9.	977	+	544	=	1.521
10.	768	+	478	=	1.246

Oefening 3
1.	572	+	217	=	789
2.	942	+	591	=	1.533
3.	589	+	253	=	842
4.	782	+	243	=	1.025
5.	754	+	524	=	1.278
6.	962	+	622	=	1.584
7.	923	+	680	=	1.603
8.	820	+	806	=	1.626
9.	974	+	545	=	1.519
10.	918	+	370	=	1.288

Oefening 4
1.	761	+	414	=	1.175
2.	614	+	311	=	925
3.	502	+	439	=	941
4.	863	+	309	=	1.172
5.	985	+	488	=	1.473
6.	815	+	661	=	1.476
7.	828	+	381	=	1.209
8.	998	+	733	=	1.731
9.	238	+	233	=	471
10.	778	+	355	=	1.133