Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	597	+		=	934
2.	691	+		=	1.377
3.	654	+		=	1.242
4.	997	+		=	1.413
5.	990	+		=	1.438
6.	282	+		=	512
7.	402	+		=	663
8.	873	+		=	1.649
9.	870	+		=	1.213
10.	659	+		=	1.203

Oefening 2
1.	920	+		=	1.802
2.	977	+		=	1.237
3.	622	+		=	1.014
4.	533	+		=	754
5.	814	+		=	1.337
6.	981	+		=	1.939
7.	819	+		=	1.145
8.	781	+		=	1.507
9.	948	+		=	1.555
10.	994	+		=	1.547

Oefening 3
1.	722	+		=	1.072
2.	664	+		=	1.311
3.	540	+		=	878
4.	483	+		=	959
5.	569	+		=	784
6.	721	+		=	1.381
7.	897	+		=	1.158
8.	605	+		=	1.167
9.	624	+		=	932
10.	716	+		=	1.372

Oefening 4
1.	541	+		=	974
2.	502	+		=	899
3.	948	+		=	1.685
4.	549	+		=	823
5.	635	+		=	1.176
6.	950	+		=	1.288
7.	935	+		=	1.199
8.	567	+		=	1.126
9.	622	+		=	1.118
10.	573	+		=	881

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	597	+	337	=	934
2.	691	+	686	=	1.377
3.	654	+	588	=	1.242
4.	997	+	416	=	1.413
5.	990	+	448	=	1.438
6.	282	+	230	=	512
7.	402	+	261	=	663
8.	873	+	776	=	1.649
9.	870	+	343	=	1.213
10.	659	+	544	=	1.203

Oefening 2
1.	920	+	882	=	1.802
2.	977	+	260	=	1.237
3.	622	+	392	=	1.014
4.	533	+	221	=	754
5.	814	+	523	=	1.337
6.	981	+	958	=	1.939
7.	819	+	326	=	1.145
8.	781	+	726	=	1.507
9.	948	+	607	=	1.555
10.	994	+	553	=	1.547

Oefening 3
1.	722	+	350	=	1.072
2.	664	+	647	=	1.311
3.	540	+	338	=	878
4.	483	+	476	=	959
5.	569	+	215	=	784
6.	721	+	660	=	1.381
7.	897	+	261	=	1.158
8.	605	+	562	=	1.167
9.	624	+	308	=	932
10.	716	+	656	=	1.372

Oefening 4
1.	541	+	433	=	974
2.	502	+	397	=	899
3.	948	+	737	=	1.685
4.	549	+	274	=	823
5.	635	+	541	=	1.176
6.	950	+	338	=	1.288
7.	935	+	264	=	1.199
8.	567	+	559	=	1.126
9.	622	+	496	=	1.118
10.	573	+	308	=	881