Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	663	+		=	1.006
2.	701	+		=	1.110
3.	641	+		=	1.128
4.	920	+		=	1.351
5.	667	+		=	944
6.	884	+		=	1.543
7.	220	+		=	429
8.	349	+		=	566
9.	751	+		=	1.041
10.	827	+		=	1.436

Oefening 2
1.	874	+		=	1.662
2.	492	+		=	885
3.	871	+		=	1.355
4.	850	+		=	1.244
5.	814	+		=	1.113
6.	969	+		=	1.192
7.	378	+		=	581
8.	463	+		=	890
9.	903	+		=	1.462
10.	689	+		=	1.226

Oefening 3
1.	677	+		=	1.169
2.	610	+		=	1.209
3.	874	+		=	1.648
4.	941	+		=	1.191
5.	830	+		=	1.476
6.	986	+		=	1.738
7.	939	+		=	1.206
8.	844	+		=	1.071
9.	941	+		=	1.426
10.	614	+		=	1.093

Oefening 4
1.	536	+		=	942
2.	857	+		=	1.647
3.	448	+		=	766
4.	792	+		=	1.527
5.	754	+		=	1.046
6.	286	+		=	545
7.	903	+		=	1.607
8.	870	+		=	1.103
9.	901	+		=	1.538
10.	944	+		=	1.843

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	663	+	343	=	1.006
2.	701	+	409	=	1.110
3.	641	+	487	=	1.128
4.	920	+	431	=	1.351
5.	667	+	277	=	944
6.	884	+	659	=	1.543
7.	220	+	209	=	429
8.	349	+	217	=	566
9.	751	+	290	=	1.041
10.	827	+	609	=	1.436

Oefening 2
1.	874	+	788	=	1.662
2.	492	+	393	=	885
3.	871	+	484	=	1.355
4.	850	+	394	=	1.244
5.	814	+	299	=	1.113
6.	969	+	223	=	1.192
7.	378	+	203	=	581
8.	463	+	427	=	890
9.	903	+	559	=	1.462
10.	689	+	537	=	1.226

Oefening 3
1.	677	+	492	=	1.169
2.	610	+	599	=	1.209
3.	874	+	774	=	1.648
4.	941	+	250	=	1.191
5.	830	+	646	=	1.476
6.	986	+	752	=	1.738
7.	939	+	267	=	1.206
8.	844	+	227	=	1.071
9.	941	+	485	=	1.426
10.	614	+	479	=	1.093

Oefening 4
1.	536	+	406	=	942
2.	857	+	790	=	1.647
3.	448	+	318	=	766
4.	792	+	735	=	1.527
5.	754	+	292	=	1.046
6.	286	+	259	=	545
7.	903	+	704	=	1.607
8.	870	+	233	=	1.103
9.	901	+	637	=	1.538
10.	944	+	899	=	1.843