Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	989	+		=	1.368
2.	589	+		=	966
3.	837	+		=	1.163
4.	1.000	+		=	1.921
5.	711	+		=	1.276
6.	473	+		=	745
7.	964	+		=	1.692
8.	700	+		=	1.061
9.	868	+		=	1.689
10.	908	+		=	1.674

Oefening 2
1.	472	+		=	892
2.	661	+		=	1.271
3.	443	+		=	865
4.	714	+		=	1.155
5.	709	+		=	1.015
6.	608	+		=	1.179
7.	335	+		=	545
8.	921	+		=	1.732
9.	379	+		=	639
10.	666	+		=	1.060

Oefening 3
1.	907	+		=	1.466
2.	465	+		=	741
3.	865	+		=	1.298
4.	952	+		=	1.165
5.	616	+		=	1.044
6.	587	+		=	1.097
7.	592	+		=	1.046
8.	633	+		=	1.076
9.	836	+		=	1.136
10.	608	+		=	1.052

Oefening 4
1.	790	+		=	1.043
2.	854	+		=	1.214
3.	566	+		=	849
4.	668	+		=	1.062
5.	344	+		=	566
6.	858	+		=	1.217
7.	482	+		=	935
8.	831	+		=	1.588
9.	619	+		=	932
10.	912	+		=	1.575

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	989	+	379	=	1.368
2.	589	+	377	=	966
3.	837	+	326	=	1.163
4.	1.000	+	921	=	1.921
5.	711	+	565	=	1.276
6.	473	+	272	=	745
7.	964	+	728	=	1.692
8.	700	+	361	=	1.061
9.	868	+	821	=	1.689
10.	908	+	766	=	1.674

Oefening 2
1.	472	+	420	=	892
2.	661	+	610	=	1.271
3.	443	+	422	=	865
4.	714	+	441	=	1.155
5.	709	+	306	=	1.015
6.	608	+	571	=	1.179
7.	335	+	210	=	545
8.	921	+	811	=	1.732
9.	379	+	260	=	639
10.	666	+	394	=	1.060

Oefening 3
1.	907	+	559	=	1.466
2.	465	+	276	=	741
3.	865	+	433	=	1.298
4.	952	+	213	=	1.165
5.	616	+	428	=	1.044
6.	587	+	510	=	1.097
7.	592	+	454	=	1.046
8.	633	+	443	=	1.076
9.	836	+	300	=	1.136
10.	608	+	444	=	1.052

Oefening 4
1.	790	+	253	=	1.043
2.	854	+	360	=	1.214
3.	566	+	283	=	849
4.	668	+	394	=	1.062
5.	344	+	222	=	566
6.	858	+	359	=	1.217
7.	482	+	453	=	935
8.	831	+	757	=	1.588
9.	619	+	313	=	932
10.	912	+	663	=	1.575