Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	986	+		=	1.424
2.	693	+		=	1.298
3.	648	+		=	1.285
4.	858	+		=	1.681
5.	828	+		=	1.082
6.	488	+		=	889
7.	869	+		=	1.570
8.	959	+		=	1.302
9.	617	+		=	1.126
10.	471	+		=	761

Oefening 2
1.	790	+		=	1.245
2.	777	+		=	1.498
3.	770	+		=	1.216
4.	849	+		=	1.539
5.	538	+		=	757
6.	588	+		=	994
7.	901	+		=	1.749
8.	975	+		=	1.699
9.	841	+		=	1.377
10.	734	+		=	1.407

Oefening 3
1.	732	+		=	1.204
2.	852	+		=	1.118
3.	903	+		=	1.628
4.	835	+		=	1.425
5.	514	+		=	933
6.	474	+		=	688
7.	837	+		=	1.665
8.	452	+		=	865
9.	800	+		=	1.098
10.	726	+		=	1.362

Oefening 4
1.	904	+		=	1.620
2.	717	+		=	1.045
3.	666	+		=	999
4.	764	+		=	1.058
5.	833	+		=	1.210
6.	752	+		=	1.142
7.	705	+		=	1.007
8.	508	+		=	979
9.	605	+		=	855
10.	886	+		=	1.245

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	986	+	438	=	1.424
2.	693	+	605	=	1.298
3.	648	+	637	=	1.285
4.	858	+	823	=	1.681
5.	828	+	254	=	1.082
6.	488	+	401	=	889
7.	869	+	701	=	1.570
8.	959	+	343	=	1.302
9.	617	+	509	=	1.126
10.	471	+	290	=	761

Oefening 2
1.	790	+	455	=	1.245
2.	777	+	721	=	1.498
3.	770	+	446	=	1.216
4.	849	+	690	=	1.539
5.	538	+	219	=	757
6.	588	+	406	=	994
7.	901	+	848	=	1.749
8.	975	+	724	=	1.699
9.	841	+	536	=	1.377
10.	734	+	673	=	1.407

Oefening 3
1.	732	+	472	=	1.204
2.	852	+	266	=	1.118
3.	903	+	725	=	1.628
4.	835	+	590	=	1.425
5.	514	+	419	=	933
6.	474	+	214	=	688
7.	837	+	828	=	1.665
8.	452	+	413	=	865
9.	800	+	298	=	1.098
10.	726	+	636	=	1.362

Oefening 4
1.	904	+	716	=	1.620
2.	717	+	328	=	1.045
3.	666	+	333	=	999
4.	764	+	294	=	1.058
5.	833	+	377	=	1.210
6.	752	+	390	=	1.142
7.	705	+	302	=	1.007
8.	508	+	471	=	979
9.	605	+	250	=	855
10.	886	+	359	=	1.245