Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	828	+		=	1.509
2.	298	+		=	512
3.	679	+		=	1.054
4.	530	+		=	869
5.	623	+		=	902
6.	603	+		=	832
7.	491	+		=	838
8.	455	+		=	866
9.	964	+		=	1.201
10.	831	+		=	1.514

Oefening 2
1.	784	+		=	1.454
2.	379	+		=	728
3.	810	+		=	1.524
4.	675	+		=	939
5.	800	+		=	1.092
6.	942	+		=	1.775
7.	997	+		=	1.867
8.	886	+		=	1.108
9.	885	+		=	1.302
10.	895	+		=	1.478

Oefening 3
1.	502	+		=	958
2.	516	+		=	898
3.	686	+		=	1.021
4.	767	+		=	976
5.	633	+		=	839
6.	463	+		=	905
7.	900	+		=	1.625
8.	862	+		=	1.242
9.	798	+		=	1.052
10.	609	+		=	1.076

Oefening 4
1.	492	+		=	913
2.	981	+		=	1.579
3.	749	+		=	1.119
4.	994	+		=	1.824
5.	605	+		=	912
6.	531	+		=	986
7.	684	+		=	1.343
8.	870	+		=	1.516
9.	408	+		=	762
10.	605	+		=	929

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	828	+	681	=	1.509
2.	298	+	214	=	512
3.	679	+	375	=	1.054
4.	530	+	339	=	869
5.	623	+	279	=	902
6.	603	+	229	=	832
7.	491	+	347	=	838
8.	455	+	411	=	866
9.	964	+	237	=	1.201
10.	831	+	683	=	1.514

Oefening 2
1.	784	+	670	=	1.454
2.	379	+	349	=	728
3.	810	+	714	=	1.524
4.	675	+	264	=	939
5.	800	+	292	=	1.092
6.	942	+	833	=	1.775
7.	997	+	870	=	1.867
8.	886	+	222	=	1.108
9.	885	+	417	=	1.302
10.	895	+	583	=	1.478

Oefening 3
1.	502	+	456	=	958
2.	516	+	382	=	898
3.	686	+	335	=	1.021
4.	767	+	209	=	976
5.	633	+	206	=	839
6.	463	+	442	=	905
7.	900	+	725	=	1.625
8.	862	+	380	=	1.242
9.	798	+	254	=	1.052
10.	609	+	467	=	1.076

Oefening 4
1.	492	+	421	=	913
2.	981	+	598	=	1.579
3.	749	+	370	=	1.119
4.	994	+	830	=	1.824
5.	605	+	307	=	912
6.	531	+	455	=	986
7.	684	+	659	=	1.343
8.	870	+	646	=	1.516
9.	408	+	354	=	762
10.	605	+	324	=	929