Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	682	+		=	1.199
2.	813	+		=	1.327
3.	697	+		=	1.230
4.	978	+		=	1.232
5.	839	+		=	1.265
6.	560	+		=	905
7.	661	+		=	1.234
8.	881	+		=	1.145
9.	383	+		=	590
10.	810	+		=	1.227

Oefening 2
1.	644	+		=	1.042
2.	830	+		=	1.391
3.	613	+		=	1.033
4.	910	+		=	1.671
5.	910	+		=	1.504
6.	896	+		=	1.267
7.	736	+		=	1.264
8.	564	+		=	989
9.	362	+		=	667
10.	845	+		=	1.467

Oefening 3
1.	971	+		=	1.584
2.	302	+		=	544
3.	509	+		=	836
4.	537	+		=	1.044
5.	790	+		=	1.398
6.	476	+		=	908
7.	934	+		=	1.613
8.	971	+		=	1.879
9.	595	+		=	1.060
10.	262	+		=	475

Oefening 4
1.	536	+		=	814
2.	460	+		=	789
3.	1.000	+		=	1.770
4.	563	+		=	785
5.	676	+		=	1.145
6.	630	+		=	1.255
7.	791	+		=	1.579
8.	405	+		=	712
9.	724	+		=	1.109
10.	922	+		=	1.422

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	682	+	517	=	1.199
2.	813	+	514	=	1.327
3.	697	+	533	=	1.230
4.	978	+	254	=	1.232
5.	839	+	426	=	1.265
6.	560	+	345	=	905
7.	661	+	573	=	1.234
8.	881	+	264	=	1.145
9.	383	+	207	=	590
10.	810	+	417	=	1.227

Oefening 2
1.	644	+	398	=	1.042
2.	830	+	561	=	1.391
3.	613	+	420	=	1.033
4.	910	+	761	=	1.671
5.	910	+	594	=	1.504
6.	896	+	371	=	1.267
7.	736	+	528	=	1.264
8.	564	+	425	=	989
9.	362	+	305	=	667
10.	845	+	622	=	1.467

Oefening 3
1.	971	+	613	=	1.584
2.	302	+	242	=	544
3.	509	+	327	=	836
4.	537	+	507	=	1.044
5.	790	+	608	=	1.398
6.	476	+	432	=	908
7.	934	+	679	=	1.613
8.	971	+	908	=	1.879
9.	595	+	465	=	1.060
10.	262	+	213	=	475

Oefening 4
1.	536	+	278	=	814
2.	460	+	329	=	789
3.	1.000	+	770	=	1.770
4.	563	+	222	=	785
5.	676	+	469	=	1.145
6.	630	+	625	=	1.255
7.	791	+	788	=	1.579
8.	405	+	307	=	712
9.	724	+	385	=	1.109
10.	922	+	500	=	1.422