Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	763	+		=	1.181
2.	879	+		=	1.155
3.	858	+		=	1.584
4.	991	+		=	1.441
5.	823	+		=	1.292
6.	934	+		=	1.655
7.	707	+		=	1.108
8.	458	+		=	879
9.	744	+		=	990
10.	670	+		=	963

Oefening 2
1.	841	+		=	1.257
2.	492	+		=	950
3.	571	+		=	900
4.	813	+		=	1.558
5.	724	+		=	1.412
6.	805	+		=	1.392
7.	875	+		=	1.137
8.	961	+		=	1.792
9.	288	+		=	565
10.	896	+		=	1.718

Oefening 3
1.	669	+		=	1.267
2.	869	+		=	1.450
3.	615	+		=	890
4.	670	+		=	1.142
5.	737	+		=	1.155
6.	519	+		=	816
7.	382	+		=	676
8.	499	+		=	964
9.	920	+		=	1.388
10.	646	+		=	1.239

Oefening 4
1.	488	+		=	772
2.	732	+		=	1.406
3.	816	+		=	1.279
4.	818	+		=	1.217
5.	319	+		=	625
6.	458	+		=	911
7.	839	+		=	1.107
8.	911	+		=	1.513
9.	565	+		=	1.066
10.	857	+		=	1.228

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	763	+	418	=	1.181
2.	879	+	276	=	1.155
3.	858	+	726	=	1.584
4.	991	+	450	=	1.441
5.	823	+	469	=	1.292
6.	934	+	721	=	1.655
7.	707	+	401	=	1.108
8.	458	+	421	=	879
9.	744	+	246	=	990
10.	670	+	293	=	963

Oefening 2
1.	841	+	416	=	1.257
2.	492	+	458	=	950
3.	571	+	329	=	900
4.	813	+	745	=	1.558
5.	724	+	688	=	1.412
6.	805	+	587	=	1.392
7.	875	+	262	=	1.137
8.	961	+	831	=	1.792
9.	288	+	277	=	565
10.	896	+	822	=	1.718

Oefening 3
1.	669	+	598	=	1.267
2.	869	+	581	=	1.450
3.	615	+	275	=	890
4.	670	+	472	=	1.142
5.	737	+	418	=	1.155
6.	519	+	297	=	816
7.	382	+	294	=	676
8.	499	+	465	=	964
9.	920	+	468	=	1.388
10.	646	+	593	=	1.239

Oefening 4
1.	488	+	284	=	772
2.	732	+	674	=	1.406
3.	816	+	463	=	1.279
4.	818	+	399	=	1.217
5.	319	+	306	=	625
6.	458	+	453	=	911
7.	839	+	268	=	1.107
8.	911	+	602	=	1.513
9.	565	+	501	=	1.066
10.	857	+	371	=	1.228