Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	787	+		=	1.361
2.	580	+		=	895
3.	968	+		=	1.362
4.	888	+		=	1.143
5.	418	+		=	728
6.	586	+		=	1.011
7.	645	+		=	1.134
8.	963	+		=	1.924
9.	804	+		=	1.478
10.	841	+		=	1.366

Oefening 2
1.	812	+		=	1.506
2.	964	+		=	1.457
3.	824	+		=	1.579
4.	849	+		=	1.581
5.	871	+		=	1.101
6.	449	+		=	698
7.	857	+		=	1.698
8.	879	+		=	1.677
9.	470	+		=	901
10.	560	+		=	1.006

Oefening 3
1.	783	+		=	1.023
2.	850	+		=	1.598
3.	791	+		=	1.106
4.	639	+		=	1.051
5.	619	+		=	1.144
6.	520	+		=	946
7.	879	+		=	1.121
8.	980	+		=	1.852
9.	957	+		=	1.320
10.	650	+		=	943

Oefening 4
1.	340	+		=	618
2.	658	+		=	1.020
3.	582	+		=	1.162
4.	698	+		=	985
5.	492	+		=	885
6.	592	+		=	828
7.	666	+		=	1.020
8.	849	+		=	1.585
9.	582	+		=	840
10.	787	+		=	1.058

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	787	+	574	=	1.361
2.	580	+	315	=	895
3.	968	+	394	=	1.362
4.	888	+	255	=	1.143
5.	418	+	310	=	728
6.	586	+	425	=	1.011
7.	645	+	489	=	1.134
8.	963	+	961	=	1.924
9.	804	+	674	=	1.478
10.	841	+	525	=	1.366

Oefening 2
1.	812	+	694	=	1.506
2.	964	+	493	=	1.457
3.	824	+	755	=	1.579
4.	849	+	732	=	1.581
5.	871	+	230	=	1.101
6.	449	+	249	=	698
7.	857	+	841	=	1.698
8.	879	+	798	=	1.677
9.	470	+	431	=	901
10.	560	+	446	=	1.006

Oefening 3
1.	783	+	240	=	1.023
2.	850	+	748	=	1.598
3.	791	+	315	=	1.106
4.	639	+	412	=	1.051
5.	619	+	525	=	1.144
6.	520	+	426	=	946
7.	879	+	242	=	1.121
8.	980	+	872	=	1.852
9.	957	+	363	=	1.320
10.	650	+	293	=	943

Oefening 4
1.	340	+	278	=	618
2.	658	+	362	=	1.020
3.	582	+	580	=	1.162
4.	698	+	287	=	985
5.	492	+	393	=	885
6.	592	+	236	=	828
7.	666	+	354	=	1.020
8.	849	+	736	=	1.585
9.	582	+	258	=	840
10.	787	+	271	=	1.058