Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	729	+		=	1.418
2.	994	+		=	1.794
3.	997	+		=	1.993
4.	644	+		=	940
5.	609	+		=	838
6.	811	+		=	1.337
7.	944	+		=	1.170
8.	938	+		=	1.627
9.	684	+		=	1.083
10.	855	+		=	1.654

Oefening 2
1.	594	+		=	801
2.	939	+		=	1.459
3.	445	+		=	830
4.	789	+		=	1.215
5.	694	+		=	1.054
6.	830	+		=	1.087
7.	808	+		=	1.245
8.	443	+		=	807
9.	307	+		=	574
10.	961	+		=	1.462

Oefening 3
1.	891	+		=	1.304
2.	879	+		=	1.247
3.	446	+		=	668
4.	635	+		=	859
5.	723	+		=	1.176
6.	559	+		=	1.061
7.	670	+		=	1.055
8.	214	+		=	415
9.	684	+		=	1.269
10.	868	+		=	1.522

Oefening 4
1.	910	+		=	1.700
2.	596	+		=	1.014
3.	802	+		=	1.438
4.	996	+		=	1.884
5.	736	+		=	1.383
6.	922	+		=	1.369
7.	830	+		=	1.090
8.	569	+		=	1.116
9.	965	+		=	1.479
10.	852	+		=	1.234

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	729	+	689	=	1.418
2.	994	+	800	=	1.794
3.	997	+	996	=	1.993
4.	644	+	296	=	940
5.	609	+	229	=	838
6.	811	+	526	=	1.337
7.	944	+	226	=	1.170
8.	938	+	689	=	1.627
9.	684	+	399	=	1.083
10.	855	+	799	=	1.654

Oefening 2
1.	594	+	207	=	801
2.	939	+	520	=	1.459
3.	445	+	385	=	830
4.	789	+	426	=	1.215
5.	694	+	360	=	1.054
6.	830	+	257	=	1.087
7.	808	+	437	=	1.245
8.	443	+	364	=	807
9.	307	+	267	=	574
10.	961	+	501	=	1.462

Oefening 3
1.	891	+	413	=	1.304
2.	879	+	368	=	1.247
3.	446	+	222	=	668
4.	635	+	224	=	859
5.	723	+	453	=	1.176
6.	559	+	502	=	1.061
7.	670	+	385	=	1.055
8.	214	+	201	=	415
9.	684	+	585	=	1.269
10.	868	+	654	=	1.522

Oefening 4
1.	910	+	790	=	1.700
2.	596	+	418	=	1.014
3.	802	+	636	=	1.438
4.	996	+	888	=	1.884
5.	736	+	647	=	1.383
6.	922	+	447	=	1.369
7.	830	+	260	=	1.090
8.	569	+	547	=	1.116
9.	965	+	514	=	1.479
10.	852	+	382	=	1.234