Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	822	+		=	1.349
2.	402	+		=	637
3.	747	+		=	1.299
4.	743	+		=	968
5.	900	+		=	1.123
6.	637	+		=	960
7.	444	+		=	669
8.	906	+		=	1.678
9.	830	+		=	1.456
10.	926	+		=	1.424

Oefening 2
1.	720	+		=	941
2.	672	+		=	1.308
3.	576	+		=	930
4.	553	+		=	847
5.	672	+		=	1.060
6.	511	+		=	884
7.	651	+		=	1.174
8.	951	+		=	1.600
9.	992	+		=	1.483
10.	253	+		=	482

Oefening 3
1.	565	+		=	842
2.	712	+		=	1.315
3.	937	+		=	1.728
4.	711	+		=	1.130
5.	989	+		=	1.543
6.	660	+		=	1.310
7.	973	+		=	1.935
8.	490	+		=	940
9.	936	+		=	1.535
10.	829	+		=	1.109

Oefening 4
1.	754	+		=	1.153
2.	330	+		=	611
3.	789	+		=	1.171
4.	761	+		=	1.111
5.	923	+		=	1.546
6.	960	+		=	1.340
7.	362	+		=	708
8.	899	+		=	1.246
9.	961	+		=	1.532
10.	520	+		=	923

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	822	+	527	=	1.349
2.	402	+	235	=	637
3.	747	+	552	=	1.299
4.	743	+	225	=	968
5.	900	+	223	=	1.123
6.	637	+	323	=	960
7.	444	+	225	=	669
8.	906	+	772	=	1.678
9.	830	+	626	=	1.456
10.	926	+	498	=	1.424

Oefening 2
1.	720	+	221	=	941
2.	672	+	636	=	1.308
3.	576	+	354	=	930
4.	553	+	294	=	847
5.	672	+	388	=	1.060
6.	511	+	373	=	884
7.	651	+	523	=	1.174
8.	951	+	649	=	1.600
9.	992	+	491	=	1.483
10.	253	+	229	=	482

Oefening 3
1.	565	+	277	=	842
2.	712	+	603	=	1.315
3.	937	+	791	=	1.728
4.	711	+	419	=	1.130
5.	989	+	554	=	1.543
6.	660	+	650	=	1.310
7.	973	+	962	=	1.935
8.	490	+	450	=	940
9.	936	+	599	=	1.535
10.	829	+	280	=	1.109

Oefening 4
1.	754	+	399	=	1.153
2.	330	+	281	=	611
3.	789	+	382	=	1.171
4.	761	+	350	=	1.111
5.	923	+	623	=	1.546
6.	960	+	380	=	1.340
7.	362	+	346	=	708
8.	899	+	347	=	1.246
9.	961	+	571	=	1.532
10.	520	+	403	=	923