Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	641	+		=	896
2.	781	+		=	1.087
3.	935	+		=	1.662
4.	919	+		=	1.606
5.	641	+		=	1.261
6.	636	+		=	1.126
7.	730	+		=	1.242
8.	858	+		=	1.560
9.	803	+		=	1.272
10.	827	+		=	1.332

Oefening 2
1.	788	+		=	1.408
2.	961	+		=	1.619
3.	953	+		=	1.895
4.	786	+		=	1.064
5.	945	+		=	1.184
6.	748	+		=	1.025
7.	698	+		=	1.036
8.	932	+		=	1.220
9.	675	+		=	1.280
10.	964	+		=	1.303

Oefening 3
1.	972	+		=	1.250
2.	905	+		=	1.361
3.	933	+		=	1.155
4.	573	+		=	779
5.	604	+		=	899
6.	457	+		=	815
7.	856	+		=	1.058
8.	915	+		=	1.153
9.	888	+		=	1.306
10.	705	+		=	948

Oefening 4
1.	806	+		=	1.133
2.	482	+		=	938
3.	981	+		=	1.365
4.	919	+		=	1.473
5.	951	+		=	1.640
6.	805	+		=	1.412
7.	656	+		=	886
8.	1.000	+		=	1.957
9.	761	+		=	1.332
10.	946	+		=	1.397

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	641	+	255	=	896
2.	781	+	306	=	1.087
3.	935	+	727	=	1.662
4.	919	+	687	=	1.606
5.	641	+	620	=	1.261
6.	636	+	490	=	1.126
7.	730	+	512	=	1.242
8.	858	+	702	=	1.560
9.	803	+	469	=	1.272
10.	827	+	505	=	1.332

Oefening 2
1.	788	+	620	=	1.408
2.	961	+	658	=	1.619
3.	953	+	942	=	1.895
4.	786	+	278	=	1.064
5.	945	+	239	=	1.184
6.	748	+	277	=	1.025
7.	698	+	338	=	1.036
8.	932	+	288	=	1.220
9.	675	+	605	=	1.280
10.	964	+	339	=	1.303

Oefening 3
1.	972	+	278	=	1.250
2.	905	+	456	=	1.361
3.	933	+	222	=	1.155
4.	573	+	206	=	779
5.	604	+	295	=	899
6.	457	+	358	=	815
7.	856	+	202	=	1.058
8.	915	+	238	=	1.153
9.	888	+	418	=	1.306
10.	705	+	243	=	948

Oefening 4
1.	806	+	327	=	1.133
2.	482	+	456	=	938
3.	981	+	384	=	1.365
4.	919	+	554	=	1.473
5.	951	+	689	=	1.640
6.	805	+	607	=	1.412
7.	656	+	230	=	886
8.	1.000	+	957	=	1.957
9.	761	+	571	=	1.332
10.	946	+	451	=	1.397