Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	961	+		=	1.578
2.	807	+		=	1.296
3.	547	+		=	1.033
4.	507	+		=	773
5.	503	+		=	770
6.	807	+		=	1.302
7.	694	+		=	1.036
8.	736	+		=	1.117
9.	849	+		=	1.394
10.	887	+		=	1.579

Oefening 2
1.	777	+		=	1.486
2.	961	+		=	1.693
3.	691	+		=	1.308
4.	547	+		=	929
5.	802	+		=	1.352
6.	787	+		=	1.062
7.	484	+		=	744
8.	528	+		=	907
9.	370	+		=	729
10.	787	+		=	1.265

Oefening 3
1.	820	+		=	1.186
2.	620	+		=	1.177
3.	499	+		=	835
4.	703	+		=	1.329
5.	920	+		=	1.192
6.	512	+		=	890
7.	948	+		=	1.743
8.	710	+		=	1.272
9.	633	+		=	958
10.	930	+		=	1.754

Oefening 4
1.	510	+		=	800
2.	972	+		=	1.905
3.	821	+		=	1.324
4.	570	+		=	1.085
5.	811	+		=	1.079
6.	814	+		=	1.526
7.	434	+		=	786
8.	893	+		=	1.251
9.	931	+		=	1.158
10.	839	+		=	1.408

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	961	+	617	=	1.578
2.	807	+	489	=	1.296
3.	547	+	486	=	1.033
4.	507	+	266	=	773
5.	503	+	267	=	770
6.	807	+	495	=	1.302
7.	694	+	342	=	1.036
8.	736	+	381	=	1.117
9.	849	+	545	=	1.394
10.	887	+	692	=	1.579

Oefening 2
1.	777	+	709	=	1.486
2.	961	+	732	=	1.693
3.	691	+	617	=	1.308
4.	547	+	382	=	929
5.	802	+	550	=	1.352
6.	787	+	275	=	1.062
7.	484	+	260	=	744
8.	528	+	379	=	907
9.	370	+	359	=	729
10.	787	+	478	=	1.265

Oefening 3
1.	820	+	366	=	1.186
2.	620	+	557	=	1.177
3.	499	+	336	=	835
4.	703	+	626	=	1.329
5.	920	+	272	=	1.192
6.	512	+	378	=	890
7.	948	+	795	=	1.743
8.	710	+	562	=	1.272
9.	633	+	325	=	958
10.	930	+	824	=	1.754

Oefening 4
1.	510	+	290	=	800
2.	972	+	933	=	1.905
3.	821	+	503	=	1.324
4.	570	+	515	=	1.085
5.	811	+	268	=	1.079
6.	814	+	712	=	1.526
7.	434	+	352	=	786
8.	893	+	358	=	1.251
9.	931	+	227	=	1.158
10.	839	+	569	=	1.408