Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	462	+		=	753
2.	851	+		=	1.293
3.	660	+		=	946
4.	560	+		=	896
5.	529	+		=	785
6.	389	+		=	660
7.	919	+		=	1.390
8.	840	+		=	1.391
9.	964	+		=	1.205
10.	606	+		=	885

Oefening 2
1.	660	+		=	1.235
2.	698	+		=	1.162
3.	678	+		=	1.101
4.	802	+		=	1.570
5.	641	+		=	1.107
6.	766	+		=	1.027
7.	930	+		=	1.615
8.	820	+		=	1.117
9.	883	+		=	1.747
10.	566	+		=	1.110

Oefening 3
1.	933	+		=	1.256
2.	266	+		=	508
3.	669	+		=	938
4.	639	+		=	1.209
5.	380	+		=	659
6.	965	+		=	1.913
7.	527	+		=	996
8.	701	+		=	961
9.	799	+		=	1.035
10.	877	+		=	1.388

Oefening 4
1.	704	+		=	1.302
2.	327	+		=	534
3.	734	+		=	1.405
4.	863	+		=	1.517
5.	1.000	+		=	1.921
6.	791	+		=	1.189
7.	769	+		=	1.174
8.	717	+		=	1.163
9.	496	+		=	734
10.	361	+		=	702

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	462	+	291	=	753
2.	851	+	442	=	1.293
3.	660	+	286	=	946
4.	560	+	336	=	896
5.	529	+	256	=	785
6.	389	+	271	=	660
7.	919	+	471	=	1.390
8.	840	+	551	=	1.391
9.	964	+	241	=	1.205
10.	606	+	279	=	885

Oefening 2
1.	660	+	575	=	1.235
2.	698	+	464	=	1.162
3.	678	+	423	=	1.101
4.	802	+	768	=	1.570
5.	641	+	466	=	1.107
6.	766	+	261	=	1.027
7.	930	+	685	=	1.615
8.	820	+	297	=	1.117
9.	883	+	864	=	1.747
10.	566	+	544	=	1.110

Oefening 3
1.	933	+	323	=	1.256
2.	266	+	242	=	508
3.	669	+	269	=	938
4.	639	+	570	=	1.209
5.	380	+	279	=	659
6.	965	+	948	=	1.913
7.	527	+	469	=	996
8.	701	+	260	=	961
9.	799	+	236	=	1.035
10.	877	+	511	=	1.388

Oefening 4
1.	704	+	598	=	1.302
2.	327	+	207	=	534
3.	734	+	671	=	1.405
4.	863	+	654	=	1.517
5.	1.000	+	921	=	1.921
6.	791	+	398	=	1.189
7.	769	+	405	=	1.174
8.	717	+	446	=	1.163
9.	496	+	238	=	734
10.	361	+	341	=	702