Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	702	+		=	1.133
2.	815	+		=	1.622
3.	665	+		=	1.253
4.	750	+		=	1.445
5.	351	+		=	554
6.	401	+		=	799
7.	585	+		=	903
8.	705	+		=	955
9.	935	+		=	1.688
10.	786	+		=	1.266

Oefening 2
1.	999	+		=	1.441
2.	803	+		=	1.588
3.	811	+		=	1.218
4.	769	+		=	1.053
5.	626	+		=	1.004
6.	349	+		=	593
7.	447	+		=	698
8.	563	+		=	831
9.	653	+		=	1.083
10.	750	+		=	1.167

Oefening 3
1.	681	+		=	1.207
2.	580	+		=	1.142
3.	922	+		=	1.420
4.	605	+		=	1.175
5.	924	+		=	1.156
6.	913	+		=	1.686
7.	928	+		=	1.376
8.	625	+		=	928
9.	501	+		=	711
10.	972	+		=	1.880

Oefening 4
1.	444	+		=	819
2.	891	+		=	1.351
3.	795	+		=	1.574
4.	466	+		=	690
5.	670	+		=	870
6.	735	+		=	1.346
7.	911	+		=	1.304
8.	796	+		=	1.142
9.	811	+		=	1.370
10.	418	+		=	822

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	702	+	431	=	1.133
2.	815	+	807	=	1.622
3.	665	+	588	=	1.253
4.	750	+	695	=	1.445
5.	351	+	203	=	554
6.	401	+	398	=	799
7.	585	+	318	=	903
8.	705	+	250	=	955
9.	935	+	753	=	1.688
10.	786	+	480	=	1.266

Oefening 2
1.	999	+	442	=	1.441
2.	803	+	785	=	1.588
3.	811	+	407	=	1.218
4.	769	+	284	=	1.053
5.	626	+	378	=	1.004
6.	349	+	244	=	593
7.	447	+	251	=	698
8.	563	+	268	=	831
9.	653	+	430	=	1.083
10.	750	+	417	=	1.167

Oefening 3
1.	681	+	526	=	1.207
2.	580	+	562	=	1.142
3.	922	+	498	=	1.420
4.	605	+	570	=	1.175
5.	924	+	232	=	1.156
6.	913	+	773	=	1.686
7.	928	+	448	=	1.376
8.	625	+	303	=	928
9.	501	+	210	=	711
10.	972	+	908	=	1.880

Oefening 4
1.	444	+	375	=	819
2.	891	+	460	=	1.351
3.	795	+	779	=	1.574
4.	466	+	224	=	690
5.	670	+	200	=	870
6.	735	+	611	=	1.346
7.	911	+	393	=	1.304
8.	796	+	346	=	1.142
9.	811	+	559	=	1.370
10.	418	+	404	=	822