Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	868	+		=	1.663
2.	734	+		=	1.410
3.	952	+		=	1.870
4.	972	+		=	1.781
5.	738	+		=	1.331
6.	963	+		=	1.373
7.	731	+		=	1.062
8.	489	+		=	708
9.	927	+		=	1.304
10.	557	+		=	763

Oefening 2
1.	728	+		=	1.036
2.	974	+		=	1.737
3.	872	+		=	1.653
4.	816	+		=	1.303
5.	922	+		=	1.825
6.	732	+		=	1.315
7.	824	+		=	1.600
8.	894	+		=	1.262
9.	830	+		=	1.440
10.	859	+		=	1.603

Oefening 3
1.	692	+		=	1.074
2.	458	+		=	822
3.	738	+		=	1.071
4.	725	+		=	1.372
5.	423	+		=	692
6.	577	+		=	917
7.	815	+		=	1.079
8.	919	+		=	1.814
9.	453	+		=	722
10.	981	+		=	1.919

Oefening 4
1.	778	+		=	1.364
2.	764	+		=	1.079
3.	985	+		=	1.492
4.	789	+		=	1.131
5.	680	+		=	954
6.	724	+		=	1.231
7.	721	+		=	924
8.	606	+		=	1.062
9.	734	+		=	1.171
10.	616	+		=	973

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	868	+	795	=	1.663
2.	734	+	676	=	1.410
3.	952	+	918	=	1.870
4.	972	+	809	=	1.781
5.	738	+	593	=	1.331
6.	963	+	410	=	1.373
7.	731	+	331	=	1.062
8.	489	+	219	=	708
9.	927	+	377	=	1.304
10.	557	+	206	=	763

Oefening 2
1.	728	+	308	=	1.036
2.	974	+	763	=	1.737
3.	872	+	781	=	1.653
4.	816	+	487	=	1.303
5.	922	+	903	=	1.825
6.	732	+	583	=	1.315
7.	824	+	776	=	1.600
8.	894	+	368	=	1.262
9.	830	+	610	=	1.440
10.	859	+	744	=	1.603

Oefening 3
1.	692	+	382	=	1.074
2.	458	+	364	=	822
3.	738	+	333	=	1.071
4.	725	+	647	=	1.372
5.	423	+	269	=	692
6.	577	+	340	=	917
7.	815	+	264	=	1.079
8.	919	+	895	=	1.814
9.	453	+	269	=	722
10.	981	+	938	=	1.919

Oefening 4
1.	778	+	586	=	1.364
2.	764	+	315	=	1.079
3.	985	+	507	=	1.492
4.	789	+	342	=	1.131
5.	680	+	274	=	954
6.	724	+	507	=	1.231
7.	721	+	203	=	924
8.	606	+	456	=	1.062
9.	734	+	437	=	1.171
10.	616	+	357	=	973