Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	747	+		=	988
2.	963	+		=	1.764
3.	776	+		=	1.201
4.	713	+		=	1.204
5.	674	+		=	1.267
6.	833	+		=	1.074
7.	997	+		=	1.985
8.	508	+		=	893
9.	904	+		=	1.357
10.	788	+		=	1.557

Oefening 2
1.	949	+		=	1.705
2.	699	+		=	1.143
3.	865	+		=	1.627
4.	625	+		=	1.123
5.	871	+		=	1.318
6.	762	+		=	1.487
7.	929	+		=	1.409
8.	383	+		=	681
9.	679	+		=	1.076
10.	537	+		=	996

Oefening 3
1.	409	+		=	775
2.	874	+		=	1.543
3.	809	+		=	1.591
4.	615	+		=	1.178
5.	758	+		=	1.463
6.	922	+		=	1.221
7.	763	+		=	1.101
8.	886	+		=	1.634
9.	796	+		=	1.367
10.	787	+		=	1.478

Oefening 4
1.	861	+		=	1.605
2.	736	+		=	1.312
3.	263	+		=	513
4.	393	+		=	676
5.	670	+		=	1.256
6.	859	+		=	1.538
7.	344	+		=	674
8.	516	+		=	769
9.	471	+		=	719
10.	949	+		=	1.569

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	747	+	241	=	988
2.	963	+	801	=	1.764
3.	776	+	425	=	1.201
4.	713	+	491	=	1.204
5.	674	+	593	=	1.267
6.	833	+	241	=	1.074
7.	997	+	988	=	1.985
8.	508	+	385	=	893
9.	904	+	453	=	1.357
10.	788	+	769	=	1.557

Oefening 2
1.	949	+	756	=	1.705
2.	699	+	444	=	1.143
3.	865	+	762	=	1.627
4.	625	+	498	=	1.123
5.	871	+	447	=	1.318
6.	762	+	725	=	1.487
7.	929	+	480	=	1.409
8.	383	+	298	=	681
9.	679	+	397	=	1.076
10.	537	+	459	=	996

Oefening 3
1.	409	+	366	=	775
2.	874	+	669	=	1.543
3.	809	+	782	=	1.591
4.	615	+	563	=	1.178
5.	758	+	705	=	1.463
6.	922	+	299	=	1.221
7.	763	+	338	=	1.101
8.	886	+	748	=	1.634
9.	796	+	571	=	1.367
10.	787	+	691	=	1.478

Oefening 4
1.	861	+	744	=	1.605
2.	736	+	576	=	1.312
3.	263	+	250	=	513
4.	393	+	283	=	676
5.	670	+	586	=	1.256
6.	859	+	679	=	1.538
7.	344	+	330	=	674
8.	516	+	253	=	769
9.	471	+	248	=	719
10.	949	+	620	=	1.569