Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	630	+		=	1.022
2.	489	+		=	694
3.	384	+		=	681
4.	995	+		=	1.494
5.	647	+		=	900
6.	482	+		=	876
7.	825	+		=	1.560
8.	698	+		=	1.051
9.	781	+		=	1.520
10.	701	+		=	1.111

Oefening 2
1.	972	+		=	1.655
2.	740	+		=	1.275
3.	844	+		=	1.477
4.	927	+		=	1.836
5.	689	+		=	1.227
6.	836	+		=	1.572
7.	515	+		=	988
8.	552	+		=	872
9.	857	+		=	1.465
10.	470	+		=	790

Oefening 3
1.	946	+		=	1.151
2.	886	+		=	1.677
3.	786	+		=	1.458
4.	442	+		=	785
5.	860	+		=	1.558
6.	492	+		=	874
7.	977	+		=	1.706
8.	856	+		=	1.305
9.	760	+		=	1.486
10.	572	+		=	974

Oefening 4
1.	827	+		=	1.432
2.	774	+		=	1.456
3.	716	+		=	1.159
4.	678	+		=	928
5.	538	+		=	1.052
6.	579	+		=	960
7.	571	+		=	1.026
8.	522	+		=	775
9.	887	+		=	1.116
10.	415	+		=	764

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	630	+	392	=	1.022
2.	489	+	205	=	694
3.	384	+	297	=	681
4.	995	+	499	=	1.494
5.	647	+	253	=	900
6.	482	+	394	=	876
7.	825	+	735	=	1.560
8.	698	+	353	=	1.051
9.	781	+	739	=	1.520
10.	701	+	410	=	1.111

Oefening 2
1.	972	+	683	=	1.655
2.	740	+	535	=	1.275
3.	844	+	633	=	1.477
4.	927	+	909	=	1.836
5.	689	+	538	=	1.227
6.	836	+	736	=	1.572
7.	515	+	473	=	988
8.	552	+	320	=	872
9.	857	+	608	=	1.465
10.	470	+	320	=	790

Oefening 3
1.	946	+	205	=	1.151
2.	886	+	791	=	1.677
3.	786	+	672	=	1.458
4.	442	+	343	=	785
5.	860	+	698	=	1.558
6.	492	+	382	=	874
7.	977	+	729	=	1.706
8.	856	+	449	=	1.305
9.	760	+	726	=	1.486
10.	572	+	402	=	974

Oefening 4
1.	827	+	605	=	1.432
2.	774	+	682	=	1.456
3.	716	+	443	=	1.159
4.	678	+	250	=	928
5.	538	+	514	=	1.052
6.	579	+	381	=	960
7.	571	+	455	=	1.026
8.	522	+	253	=	775
9.	887	+	229	=	1.116
10.	415	+	349	=	764