Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	689	+		=	1.296
2.	642	+		=	1.023
3.	739	+		=	1.449
4.	581	+		=	1.018
5.	963	+		=	1.507
6.	854	+		=	1.461
7.	992	+		=	1.504
8.	909	+		=	1.794
9.	748	+		=	1.382
10.	655	+		=	1.204

Oefening 2
1.	668	+		=	962
2.	772	+		=	994
3.	981	+		=	1.363
4.	821	+		=	1.266
5.	347	+		=	599
6.	824	+		=	1.225
7.	961	+		=	1.278
8.	514	+		=	826
9.	697	+		=	1.274
10.	989	+		=	1.815

Oefening 3
1.	976	+		=	1.687
2.	916	+		=	1.462
3.	510	+		=	879
4.	726	+		=	1.013
5.	240	+		=	446
6.	892	+		=	1.605
7.	585	+		=	1.104
8.	312	+		=	546
9.	645	+		=	1.160
10.	531	+		=	892

Oefening 4
1.	953	+		=	1.515
2.	977	+		=	1.928
3.	946	+		=	1.603
4.	805	+		=	1.060
5.	621	+		=	891
6.	819	+		=	1.185
7.	895	+		=	1.514
8.	748	+		=	988
9.	930	+		=	1.306
10.	923	+		=	1.123

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	689	+	607	=	1.296
2.	642	+	381	=	1.023
3.	739	+	710	=	1.449
4.	581	+	437	=	1.018
5.	963	+	544	=	1.507
6.	854	+	607	=	1.461
7.	992	+	512	=	1.504
8.	909	+	885	=	1.794
9.	748	+	634	=	1.382
10.	655	+	549	=	1.204

Oefening 2
1.	668	+	294	=	962
2.	772	+	222	=	994
3.	981	+	382	=	1.363
4.	821	+	445	=	1.266
5.	347	+	252	=	599
6.	824	+	401	=	1.225
7.	961	+	317	=	1.278
8.	514	+	312	=	826
9.	697	+	577	=	1.274
10.	989	+	826	=	1.815

Oefening 3
1.	976	+	711	=	1.687
2.	916	+	546	=	1.462
3.	510	+	369	=	879
4.	726	+	287	=	1.013
5.	240	+	206	=	446
6.	892	+	713	=	1.605
7.	585	+	519	=	1.104
8.	312	+	234	=	546
9.	645	+	515	=	1.160
10.	531	+	361	=	892

Oefening 4
1.	953	+	562	=	1.515
2.	977	+	951	=	1.928
3.	946	+	657	=	1.603
4.	805	+	255	=	1.060
5.	621	+	270	=	891
6.	819	+	366	=	1.185
7.	895	+	619	=	1.514
8.	748	+	240	=	988
9.	930	+	376	=	1.306
10.	923	+	200	=	1.123