Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	999	+		=	1.397
2.	548	+		=	862
3.	990	+		=	1.686
4.	727	+		=	1.071
5.	661	+		=	1.140
6.	981	+		=	1.410
7.	818	+		=	1.626
8.	776	+		=	1.305
9.	272	+		=	538
10.	944	+		=	1.597

Oefening 2
1.	712	+		=	1.404
2.	972	+		=	1.698
3.	444	+		=	653
4.	394	+		=	746
5.	786	+		=	1.497
6.	289	+		=	522
7.	352	+		=	564
8.	570	+		=	1.009
9.	806	+		=	1.496
10.	995	+		=	1.721

Oefening 3
1.	808	+		=	1.093
2.	976	+		=	1.434
3.	530	+		=	820
4.	897	+		=	1.709
5.	689	+		=	941
6.	875	+		=	1.343
7.	999	+		=	1.539
8.	829	+		=	1.152
9.	846	+		=	1.436
10.	573	+		=	1.118

Oefening 4
1.	528	+		=	789
2.	941	+		=	1.186
3.	678	+		=	916
4.	704	+		=	1.234
5.	1.000	+		=	1.255
6.	994	+		=	1.896
7.	938	+		=	1.386
8.	952	+		=	1.657
9.	903	+		=	1.743
10.	542	+		=	840

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	999	+	398	=	1.397
2.	548	+	314	=	862
3.	990	+	696	=	1.686
4.	727	+	344	=	1.071
5.	661	+	479	=	1.140
6.	981	+	429	=	1.410
7.	818	+	808	=	1.626
8.	776	+	529	=	1.305
9.	272	+	266	=	538
10.	944	+	653	=	1.597

Oefening 2
1.	712	+	692	=	1.404
2.	972	+	726	=	1.698
3.	444	+	209	=	653
4.	394	+	352	=	746
5.	786	+	711	=	1.497
6.	289	+	233	=	522
7.	352	+	212	=	564
8.	570	+	439	=	1.009
9.	806	+	690	=	1.496
10.	995	+	726	=	1.721

Oefening 3
1.	808	+	285	=	1.093
2.	976	+	458	=	1.434
3.	530	+	290	=	820
4.	897	+	812	=	1.709
5.	689	+	252	=	941
6.	875	+	468	=	1.343
7.	999	+	540	=	1.539
8.	829	+	323	=	1.152
9.	846	+	590	=	1.436
10.	573	+	545	=	1.118

Oefening 4
1.	528	+	261	=	789
2.	941	+	245	=	1.186
3.	678	+	238	=	916
4.	704	+	530	=	1.234
5.	1.000	+	255	=	1.255
6.	994	+	902	=	1.896
7.	938	+	448	=	1.386
8.	952	+	705	=	1.657
9.	903	+	840	=	1.743
10.	542	+	298	=	840