Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	582	+		=	948
2.	989	+		=	1.243
3.	388	+		=	662
4.	459	+		=	754
5.	489	+		=	887
6.	900	+		=	1.620
7.	895	+		=	1.710
8.	838	+		=	1.270
9.	851	+		=	1.382
10.	630	+		=	1.177

Oefening 2
1.	378	+		=	644
2.	439	+		=	817
3.	916	+		=	1.366
4.	919	+		=	1.143
5.	964	+		=	1.187
6.	613	+		=	910
7.	743	+		=	1.461
8.	710	+		=	990
9.	573	+		=	878
10.	600	+		=	943

Oefening 3
1.	864	+		=	1.143
2.	564	+		=	1.028
3.	970	+		=	1.603
4.	406	+		=	623
5.	898	+		=	1.162
6.	732	+		=	1.086
7.	897	+		=	1.391
8.	1.000	+		=	1.740
9.	581	+		=	1.143
10.	957	+		=	1.873

Oefening 4
1.	568	+		=	908
2.	572	+		=	1.080
3.	569	+		=	969
4.	660	+		=	1.144
5.	322	+		=	624
6.	401	+		=	732
7.	782	+		=	1.376
8.	527	+		=	989
9.	685	+		=	963
10.	619	+		=	1.116

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	582	+	366	=	948
2.	989	+	254	=	1.243
3.	388	+	274	=	662
4.	459	+	295	=	754
5.	489	+	398	=	887
6.	900	+	720	=	1.620
7.	895	+	815	=	1.710
8.	838	+	432	=	1.270
9.	851	+	531	=	1.382
10.	630	+	547	=	1.177

Oefening 2
1.	378	+	266	=	644
2.	439	+	378	=	817
3.	916	+	450	=	1.366
4.	919	+	224	=	1.143
5.	964	+	223	=	1.187
6.	613	+	297	=	910
7.	743	+	718	=	1.461
8.	710	+	280	=	990
9.	573	+	305	=	878
10.	600	+	343	=	943

Oefening 3
1.	864	+	279	=	1.143
2.	564	+	464	=	1.028
3.	970	+	633	=	1.603
4.	406	+	217	=	623
5.	898	+	264	=	1.162
6.	732	+	354	=	1.086
7.	897	+	494	=	1.391
8.	1.000	+	740	=	1.740
9.	581	+	562	=	1.143
10.	957	+	916	=	1.873

Oefening 4
1.	568	+	340	=	908
2.	572	+	508	=	1.080
3.	569	+	400	=	969
4.	660	+	484	=	1.144
5.	322	+	302	=	624
6.	401	+	331	=	732
7.	782	+	594	=	1.376
8.	527	+	462	=	989
9.	685	+	278	=	963
10.	619	+	497	=	1.116