Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	999	+		=	1.870
2.	648	+		=	1.117
3.	604	+		=	1.141
4.	780	+		=	1.403
5.	403	+		=	730
6.	440	+		=	704
7.	541	+		=	1.042
8.	859	+		=	1.314
9.	486	+		=	690
10.	476	+		=	893

Oefening 2
1.	602	+		=	982
2.	754	+		=	1.091
3.	550	+		=	799
4.	949	+		=	1.431
5.	935	+		=	1.334
6.	965	+		=	1.885
7.	869	+		=	1.284
8.	921	+		=	1.420
9.	981	+		=	1.418
10.	685	+		=	1.217

Oefening 3
1.	960	+		=	1.889
2.	506	+		=	845
3.	770	+		=	1.184
4.	512	+		=	739
5.	465	+		=	912
6.	602	+		=	1.033
7.	480	+		=	953
8.	654	+		=	1.034
9.	713	+		=	1.034
10.	883	+		=	1.091

Oefening 4
1.	626	+		=	1.097
2.	833	+		=	1.552
3.	968	+		=	1.617
4.	647	+		=	1.086
5.	544	+		=	871
6.	980	+		=	1.280
7.	991	+		=	1.870
8.	488	+		=	869
9.	886	+		=	1.579
10.	911	+		=	1.695

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	999	+	871	=	1.870
2.	648	+	469	=	1.117
3.	604	+	537	=	1.141
4.	780	+	623	=	1.403
5.	403	+	327	=	730
6.	440	+	264	=	704
7.	541	+	501	=	1.042
8.	859	+	455	=	1.314
9.	486	+	204	=	690
10.	476	+	417	=	893

Oefening 2
1.	602	+	380	=	982
2.	754	+	337	=	1.091
3.	550	+	249	=	799
4.	949	+	482	=	1.431
5.	935	+	399	=	1.334
6.	965	+	920	=	1.885
7.	869	+	415	=	1.284
8.	921	+	499	=	1.420
9.	981	+	437	=	1.418
10.	685	+	532	=	1.217

Oefening 3
1.	960	+	929	=	1.889
2.	506	+	339	=	845
3.	770	+	414	=	1.184
4.	512	+	227	=	739
5.	465	+	447	=	912
6.	602	+	431	=	1.033
7.	480	+	473	=	953
8.	654	+	380	=	1.034
9.	713	+	321	=	1.034
10.	883	+	208	=	1.091

Oefening 4
1.	626	+	471	=	1.097
2.	833	+	719	=	1.552
3.	968	+	649	=	1.617
4.	647	+	439	=	1.086
5.	544	+	327	=	871
6.	980	+	300	=	1.280
7.	991	+	879	=	1.870
8.	488	+	381	=	869
9.	886	+	693	=	1.579
10.	911	+	784	=	1.695