Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	870	+		=	1.389
2.	414	+		=	637
3.	903	+		=	1.524
4.	433	+		=	716
5.	990	+		=	1.899
6.	860	+		=	1.614
7.	908	+		=	1.686
8.	770	+		=	1.132
9.	703	+		=	1.226
10.	349	+		=	687

Oefening 2
1.	556	+		=	1.053
2.	607	+		=	1.106
3.	722	+		=	933
4.	547	+		=	848
5.	784	+		=	1.205
6.	860	+		=	1.061
7.	764	+		=	1.246
8.	916	+		=	1.701
9.	818	+		=	1.202
10.	933	+		=	1.456

Oefening 3
1.	640	+		=	1.225
2.	938	+		=	1.146
3.	837	+		=	1.115
4.	299	+		=	552
5.	915	+		=	1.703
6.	971	+		=	1.739
7.	849	+		=	1.147
8.	872	+		=	1.708
9.	694	+		=	1.306
10.	639	+		=	1.247

Oefening 4
1.	527	+		=	754
2.	566	+		=	1.105
3.	977	+		=	1.477
4.	550	+		=	847
5.	996	+		=	1.512
6.	577	+		=	819
7.	741	+		=	1.411
8.	944	+		=	1.552
9.	814	+		=	1.098
10.	557	+		=	843

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	870	+	519	=	1.389
2.	414	+	223	=	637
3.	903	+	621	=	1.524
4.	433	+	283	=	716
5.	990	+	909	=	1.899
6.	860	+	754	=	1.614
7.	908	+	778	=	1.686
8.	770	+	362	=	1.132
9.	703	+	523	=	1.226
10.	349	+	338	=	687

Oefening 2
1.	556	+	497	=	1.053
2.	607	+	499	=	1.106
3.	722	+	211	=	933
4.	547	+	301	=	848
5.	784	+	421	=	1.205
6.	860	+	201	=	1.061
7.	764	+	482	=	1.246
8.	916	+	785	=	1.701
9.	818	+	384	=	1.202
10.	933	+	523	=	1.456

Oefening 3
1.	640	+	585	=	1.225
2.	938	+	208	=	1.146
3.	837	+	278	=	1.115
4.	299	+	253	=	552
5.	915	+	788	=	1.703
6.	971	+	768	=	1.739
7.	849	+	298	=	1.147
8.	872	+	836	=	1.708
9.	694	+	612	=	1.306
10.	639	+	608	=	1.247

Oefening 4
1.	527	+	227	=	754
2.	566	+	539	=	1.105
3.	977	+	500	=	1.477
4.	550	+	297	=	847
5.	996	+	516	=	1.512
6.	577	+	242	=	819
7.	741	+	670	=	1.411
8.	944	+	608	=	1.552
9.	814	+	284	=	1.098
10.	557	+	286	=	843