Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	550	+		=	805
2.	816	+		=	1.297
3.	703	+		=	1.119
4.	465	+		=	724
5.	741	+		=	1.410
6.	931	+		=	1.781
7.	732	+		=	1.419
8.	763	+		=	1.435
9.	750	+		=	1.154
10.	890	+		=	1.532

Oefening 2
1.	926	+		=	1.207
2.	544	+		=	882
3.	573	+		=	1.010
4.	802	+		=	1.423
5.	455	+		=	891
6.	368	+		=	621
7.	722	+		=	1.105
8.	920	+		=	1.774
9.	868	+		=	1.651
10.	783	+		=	1.447

Oefening 3
1.	928	+		=	1.334
2.	985	+		=	1.284
3.	692	+		=	974
4.	718	+		=	990
5.	812	+		=	1.573
6.	276	+		=	550
7.	977	+		=	1.825
8.	862	+		=	1.206
9.	953	+		=	1.471
10.	790	+		=	1.047

Oefening 4
1.	718	+		=	1.337
2.	713	+		=	1.020
3.	479	+		=	711
4.	668	+		=	1.032
5.	495	+		=	941
6.	685	+		=	1.181
7.	698	+		=	1.334
8.	910	+		=	1.169
9.	649	+		=	1.108
10.	885	+		=	1.414

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	550	+	255	=	805
2.	816	+	481	=	1.297
3.	703	+	416	=	1.119
4.	465	+	259	=	724
5.	741	+	669	=	1.410
6.	931	+	850	=	1.781
7.	732	+	687	=	1.419
8.	763	+	672	=	1.435
9.	750	+	404	=	1.154
10.	890	+	642	=	1.532

Oefening 2
1.	926	+	281	=	1.207
2.	544	+	338	=	882
3.	573	+	437	=	1.010
4.	802	+	621	=	1.423
5.	455	+	436	=	891
6.	368	+	253	=	621
7.	722	+	383	=	1.105
8.	920	+	854	=	1.774
9.	868	+	783	=	1.651
10.	783	+	664	=	1.447

Oefening 3
1.	928	+	406	=	1.334
2.	985	+	299	=	1.284
3.	692	+	282	=	974
4.	718	+	272	=	990
5.	812	+	761	=	1.573
6.	276	+	274	=	550
7.	977	+	848	=	1.825
8.	862	+	344	=	1.206
9.	953	+	518	=	1.471
10.	790	+	257	=	1.047

Oefening 4
1.	718	+	619	=	1.337
2.	713	+	307	=	1.020
3.	479	+	232	=	711
4.	668	+	364	=	1.032
5.	495	+	446	=	941
6.	685	+	496	=	1.181
7.	698	+	636	=	1.334
8.	910	+	259	=	1.169
9.	649	+	459	=	1.108
10.	885	+	529	=	1.414