Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	490	+		=	782
2.	374	+		=	576
3.	901	+		=	1.690
4.	593	+		=	831
5.	972	+		=	1.349
6.	780	+		=	1.169
7.	763	+		=	1.041
8.	507	+		=	806
9.	695	+		=	1.366
10.	344	+		=	567

Oefening 2
1.	871	+		=	1.128
2.	783	+		=	1.018
3.	940	+		=	1.609
4.	435	+		=	808
5.	778	+		=	1.255
6.	788	+		=	1.131
7.	839	+		=	1.184
8.	551	+		=	1.053
9.	610	+		=	874
10.	981	+		=	1.778

Oefening 3
1.	857	+		=	1.162
2.	991	+		=	1.557
3.	680	+		=	1.320
4.	916	+		=	1.754
5.	720	+		=	1.354
6.	933	+		=	1.259
7.	422	+		=	787
8.	617	+		=	1.089
9.	845	+		=	1.090
10.	729	+		=	957

Oefening 4
1.	920	+		=	1.156
2.	678	+		=	961
3.	725	+		=	1.061
4.	702	+		=	1.141
5.	378	+		=	728
6.	708	+		=	1.000
7.	614	+		=	855
8.	492	+		=	898
9.	663	+		=	1.061
10.	963	+		=	1.783

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	490	+	292	=	782
2.	374	+	202	=	576
3.	901	+	789	=	1.690
4.	593	+	238	=	831
5.	972	+	377	=	1.349
6.	780	+	389	=	1.169
7.	763	+	278	=	1.041
8.	507	+	299	=	806
9.	695	+	671	=	1.366
10.	344	+	223	=	567

Oefening 2
1.	871	+	257	=	1.128
2.	783	+	235	=	1.018
3.	940	+	669	=	1.609
4.	435	+	373	=	808
5.	778	+	477	=	1.255
6.	788	+	343	=	1.131
7.	839	+	345	=	1.184
8.	551	+	502	=	1.053
9.	610	+	264	=	874
10.	981	+	797	=	1.778

Oefening 3
1.	857	+	305	=	1.162
2.	991	+	566	=	1.557
3.	680	+	640	=	1.320
4.	916	+	838	=	1.754
5.	720	+	634	=	1.354
6.	933	+	326	=	1.259
7.	422	+	365	=	787
8.	617	+	472	=	1.089
9.	845	+	245	=	1.090
10.	729	+	228	=	957

Oefening 4
1.	920	+	236	=	1.156
2.	678	+	283	=	961
3.	725	+	336	=	1.061
4.	702	+	439	=	1.141
5.	378	+	350	=	728
6.	708	+	292	=	1.000
7.	614	+	241	=	855
8.	492	+	406	=	898
9.	663	+	398	=	1.061
10.	963	+	820	=	1.783