Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	421	+		=	824
2.	472	+		=	817
3.	322	+		=	440
4.	472	+		=	573
5.	296	+		=	417
6.	152	+		=	264
7.	196	+		=	311
8.	449	+		=	751
9.	363	+		=	556
10.	462	+		=	628

Oefening 2
1.	353	+		=	635
2.	129	+		=	258
3.	484	+		=	710
4.	350	+		=	474
5.	485	+		=	951
6.	387	+		=	599
7.	355	+		=	679
8.	413	+		=	649
9.	426	+		=	843
10.	480	+		=	922

Oefening 3
1.	489	+		=	691
2.	390	+		=	579
3.	341	+		=	595
4.	187	+		=	320
5.	259	+		=	427
6.	116	+		=	231
7.	364	+		=	475
8.	146	+		=	277
9.	410	+		=	787
10.	462	+		=	824

Oefening 4
1.	449	+		=	565
2.	254	+		=	376
3.	282	+		=	444
4.	293	+		=	580
5.	361	+		=	645
6.	267	+		=	501
7.	432	+		=	653
8.	437	+		=	608
9.	434	+		=	765
10.	175	+		=	346

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	421	+	403	=	824
2.	472	+	345	=	817
3.	322	+	118	=	440
4.	472	+	101	=	573
5.	296	+	121	=	417
6.	152	+	112	=	264
7.	196	+	115	=	311
8.	449	+	302	=	751
9.	363	+	193	=	556
10.	462	+	166	=	628

Oefening 2
1.	353	+	282	=	635
2.	129	+	129	=	258
3.	484	+	226	=	710
4.	350	+	124	=	474
5.	485	+	466	=	951
6.	387	+	212	=	599
7.	355	+	324	=	679
8.	413	+	236	=	649
9.	426	+	417	=	843
10.	480	+	442	=	922

Oefening 3
1.	489	+	202	=	691
2.	390	+	189	=	579
3.	341	+	254	=	595
4.	187	+	133	=	320
5.	259	+	168	=	427
6.	116	+	115	=	231
7.	364	+	111	=	475
8.	146	+	131	=	277
9.	410	+	377	=	787
10.	462	+	362	=	824

Oefening 4
1.	449	+	116	=	565
2.	254	+	122	=	376
3.	282	+	162	=	444
4.	293	+	287	=	580
5.	361	+	284	=	645
6.	267	+	234	=	501
7.	432	+	221	=	653
8.	437	+	171	=	608
9.	434	+	331	=	765
10.	175	+	171	=	346