Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	630	+		=	1.039
2.	994	+		=	1.223
3.	927	+		=	1.741
4.	667	+		=	990
5.	654	+		=	1.095
6.	789	+		=	1.470
7.	995	+		=	1.368
8.	1.000	+		=	1.803
9.	706	+		=	1.232
10.	877	+		=	1.108

Oefening 2
1.	778	+		=	1.179
2.	883	+		=	1.533
3.	741	+		=	968
4.	689	+		=	1.371
5.	908	+		=	1.283
6.	830	+		=	1.430
7.	635	+		=	1.087
8.	726	+		=	982
9.	638	+		=	1.037
10.	411	+		=	791

Oefening 3
1.	885	+		=	1.553
2.	544	+		=	831
3.	486	+		=	699
4.	661	+		=	952
5.	786	+		=	1.304
6.	600	+		=	972
7.	732	+		=	1.329
8.	586	+		=	904
9.	872	+		=	1.315
10.	933	+		=	1.612

Oefening 4
1.	792	+		=	1.264
2.	950	+		=	1.501
3.	973	+		=	1.690
4.	552	+		=	840
5.	949	+		=	1.786
6.	966	+		=	1.265
7.	473	+		=	917
8.	995	+		=	1.725
9.	774	+		=	1.247
10.	799	+		=	1.226

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	630	+	409	=	1.039
2.	994	+	229	=	1.223
3.	927	+	814	=	1.741
4.	667	+	323	=	990
5.	654	+	441	=	1.095
6.	789	+	681	=	1.470
7.	995	+	373	=	1.368
8.	1.000	+	803	=	1.803
9.	706	+	526	=	1.232
10.	877	+	231	=	1.108

Oefening 2
1.	778	+	401	=	1.179
2.	883	+	650	=	1.533
3.	741	+	227	=	968
4.	689	+	682	=	1.371
5.	908	+	375	=	1.283
6.	830	+	600	=	1.430
7.	635	+	452	=	1.087
8.	726	+	256	=	982
9.	638	+	399	=	1.037
10.	411	+	380	=	791

Oefening 3
1.	885	+	668	=	1.553
2.	544	+	287	=	831
3.	486	+	213	=	699
4.	661	+	291	=	952
5.	786	+	518	=	1.304
6.	600	+	372	=	972
7.	732	+	597	=	1.329
8.	586	+	318	=	904
9.	872	+	443	=	1.315
10.	933	+	679	=	1.612

Oefening 4
1.	792	+	472	=	1.264
2.	950	+	551	=	1.501
3.	973	+	717	=	1.690
4.	552	+	288	=	840
5.	949	+	837	=	1.786
6.	966	+	299	=	1.265
7.	473	+	444	=	917
8.	995	+	730	=	1.725
9.	774	+	473	=	1.247
10.	799	+	427	=	1.226