Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	421	+		=	708
2.	409	+		=	535
3.	312	+		=	509
4.	480	+		=	868
5.	460	+		=	653
6.	489	+		=	653
7.	438	+		=	809
8.	457	+		=	882
9.	338	+		=	633
10.	459	+		=	727

Oefening 2
1.	453	+		=	819
2.	304	+		=	404
3.	400	+		=	684
4.	432	+		=	709
5.	468	+		=	738
6.	404	+		=	605
7.	490	+		=	944
8.	216	+		=	342
9.	261	+		=	404
10.	385	+		=	634

Oefening 3
1.	168	+		=	282
2.	285	+		=	400
3.	377	+		=	547
4.	316	+		=	591
5.	409	+		=	770
6.	363	+		=	472
7.	325	+		=	563
8.	282	+		=	501
9.	479	+		=	585
10.	408	+		=	701

Oefening 4
1.	237	+		=	459
2.	414	+		=	635
3.	332	+		=	643
4.	337	+		=	627
5.	274	+		=	400
6.	455	+		=	567
7.	381	+		=	592
8.	477	+		=	656
9.	402	+		=	568
10.	139	+		=	265

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	421	+	287	=	708
2.	409	+	126	=	535
3.	312	+	197	=	509
4.	480	+	388	=	868
5.	460	+	193	=	653
6.	489	+	164	=	653
7.	438	+	371	=	809
8.	457	+	425	=	882
9.	338	+	295	=	633
10.	459	+	268	=	727

Oefening 2
1.	453	+	366	=	819
2.	304	+	100	=	404
3.	400	+	284	=	684
4.	432	+	277	=	709
5.	468	+	270	=	738
6.	404	+	201	=	605
7.	490	+	454	=	944
8.	216	+	126	=	342
9.	261	+	143	=	404
10.	385	+	249	=	634

Oefening 3
1.	168	+	114	=	282
2.	285	+	115	=	400
3.	377	+	170	=	547
4.	316	+	275	=	591
5.	409	+	361	=	770
6.	363	+	109	=	472
7.	325	+	238	=	563
8.	282	+	219	=	501
9.	479	+	106	=	585
10.	408	+	293	=	701

Oefening 4
1.	237	+	222	=	459
2.	414	+	221	=	635
3.	332	+	311	=	643
4.	337	+	290	=	627
5.	274	+	126	=	400
6.	455	+	112	=	567
7.	381	+	211	=	592
8.	477	+	179	=	656
9.	402	+	166	=	568
10.	139	+	126	=	265