Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	527	+		=	904
2.	998	+		=	1.977
3.	896	+		=	1.713
4.	605	+		=	951
5.	844	+		=	1.166
6.	898	+		=	1.661
7.	530	+		=	770
8.	706	+		=	952
9.	933	+		=	1.599
10.	836	+		=	1.271

Oefening 2
1.	921	+		=	1.225
2.	637	+		=	1.072
3.	977	+		=	1.660
4.	960	+		=	1.323
5.	864	+		=	1.660
6.	435	+		=	794
7.	830	+		=	1.472
8.	609	+		=	878
9.	628	+		=	1.082
10.	552	+		=	781

Oefening 3
1.	585	+		=	987
2.	606	+		=	966
3.	751	+		=	1.321
4.	745	+		=	1.090
5.	786	+		=	1.095
6.	714	+		=	1.312
7.	880	+		=	1.240
8.	658	+		=	865
9.	903	+		=	1.359
10.	863	+		=	1.346

Oefening 4
1.	991	+		=	1.886
2.	710	+		=	1.191
3.	891	+		=	1.138
4.	793	+		=	1.076
5.	792	+		=	1.131
6.	597	+		=	905
7.	871	+		=	1.352
8.	856	+		=	1.241
9.	972	+		=	1.556
10.	858	+		=	1.584

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	527	+	377	=	904
2.	998	+	979	=	1.977
3.	896	+	817	=	1.713
4.	605	+	346	=	951
5.	844	+	322	=	1.166
6.	898	+	763	=	1.661
7.	530	+	240	=	770
8.	706	+	246	=	952
9.	933	+	666	=	1.599
10.	836	+	435	=	1.271

Oefening 2
1.	921	+	304	=	1.225
2.	637	+	435	=	1.072
3.	977	+	683	=	1.660
4.	960	+	363	=	1.323
5.	864	+	796	=	1.660
6.	435	+	359	=	794
7.	830	+	642	=	1.472
8.	609	+	269	=	878
9.	628	+	454	=	1.082
10.	552	+	229	=	781

Oefening 3
1.	585	+	402	=	987
2.	606	+	360	=	966
3.	751	+	570	=	1.321
4.	745	+	345	=	1.090
5.	786	+	309	=	1.095
6.	714	+	598	=	1.312
7.	880	+	360	=	1.240
8.	658	+	207	=	865
9.	903	+	456	=	1.359
10.	863	+	483	=	1.346

Oefening 4
1.	991	+	895	=	1.886
2.	710	+	481	=	1.191
3.	891	+	247	=	1.138
4.	793	+	283	=	1.076
5.	792	+	339	=	1.131
6.	597	+	308	=	905
7.	871	+	481	=	1.352
8.	856	+	385	=	1.241
9.	972	+	584	=	1.556
10.	858	+	726	=	1.584