Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	472	+		=	875
2.	529	+		=	1.010
3.	987	+		=	1.441
4.	894	+		=	1.152
5.	575	+		=	1.061
6.	667	+		=	899
7.	946	+		=	1.322
8.	580	+		=	792
9.	950	+		=	1.320
10.	769	+		=	1.134

Oefening 2
1.	649	+		=	1.285
2.	656	+		=	1.000
3.	996	+		=	1.734
4.	959	+		=	1.557
5.	888	+		=	1.550
6.	572	+		=	834
7.	417	+		=	691
8.	702	+		=	905
9.	902	+		=	1.128
10.	803	+		=	1.525

Oefening 3
1.	575	+		=	964
2.	970	+		=	1.314
3.	969	+		=	1.925
4.	842	+		=	1.418
5.	804	+		=	1.346
6.	999	+		=	1.254
7.	819	+		=	1.093
8.	980	+		=	1.783
9.	606	+		=	1.153
10.	744	+		=	1.118

Oefening 4
1.	715	+		=	1.095
2.	402	+		=	741
3.	668	+		=	952
4.	978	+		=	1.255
5.	894	+		=	1.297
6.	949	+		=	1.612
7.	714	+		=	1.272
8.	787	+		=	1.527
9.	993	+		=	1.482
10.	667	+		=	1.044

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	472	+	403	=	875
2.	529	+	481	=	1.010
3.	987	+	454	=	1.441
4.	894	+	258	=	1.152
5.	575	+	486	=	1.061
6.	667	+	232	=	899
7.	946	+	376	=	1.322
8.	580	+	212	=	792
9.	950	+	370	=	1.320
10.	769	+	365	=	1.134

Oefening 2
1.	649	+	636	=	1.285
2.	656	+	344	=	1.000
3.	996	+	738	=	1.734
4.	959	+	598	=	1.557
5.	888	+	662	=	1.550
6.	572	+	262	=	834
7.	417	+	274	=	691
8.	702	+	203	=	905
9.	902	+	226	=	1.128
10.	803	+	722	=	1.525

Oefening 3
1.	575	+	389	=	964
2.	970	+	344	=	1.314
3.	969	+	956	=	1.925
4.	842	+	576	=	1.418
5.	804	+	542	=	1.346
6.	999	+	255	=	1.254
7.	819	+	274	=	1.093
8.	980	+	803	=	1.783
9.	606	+	547	=	1.153
10.	744	+	374	=	1.118

Oefening 4
1.	715	+	380	=	1.095
2.	402	+	339	=	741
3.	668	+	284	=	952
4.	978	+	277	=	1.255
5.	894	+	403	=	1.297
6.	949	+	663	=	1.612
7.	714	+	558	=	1.272
8.	787	+	740	=	1.527
9.	993	+	489	=	1.482
10.	667	+	377	=	1.044