Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	350	+		=	529
2.	398	+		=	561
3.	449	+		=	818
4.	469	+		=	840
5.	418	+		=	773
6.	450	+		=	708
7.	351	+		=	664
8.	315	+		=	606
9.	468	+		=	630
10.	484	+		=	835

Oefening 2
1.	314	+		=	538
2.	497	+		=	911
3.	280	+		=	487
4.	224	+		=	387
5.	388	+		=	574
6.	413	+		=	633
7.	455	+		=	835
8.	425	+		=	825
9.	377	+		=	738
10.	304	+		=	521

Oefening 3
1.	498	+		=	957
2.	465	+		=	698
3.	456	+		=	793
4.	418	+		=	775
5.	262	+		=	447
6.	251	+		=	464
7.	281	+		=	512
8.	308	+		=	601
9.	480	+		=	763
10.	311	+		=	519

Oefening 4
1.	419	+		=	792
2.	381	+		=	753
3.	449	+		=	835
4.	288	+		=	431
5.	410	+		=	703
6.	174	+		=	310
7.	262	+		=	488
8.	413	+		=	621
9.	317	+		=	595
10.	498	+		=	747

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	350	+	179	=	529
2.	398	+	163	=	561
3.	449	+	369	=	818
4.	469	+	371	=	840
5.	418	+	355	=	773
6.	450	+	258	=	708
7.	351	+	313	=	664
8.	315	+	291	=	606
9.	468	+	162	=	630
10.	484	+	351	=	835

Oefening 2
1.	314	+	224	=	538
2.	497	+	414	=	911
3.	280	+	207	=	487
4.	224	+	163	=	387
5.	388	+	186	=	574
6.	413	+	220	=	633
7.	455	+	380	=	835
8.	425	+	400	=	825
9.	377	+	361	=	738
10.	304	+	217	=	521

Oefening 3
1.	498	+	459	=	957
2.	465	+	233	=	698
3.	456	+	337	=	793
4.	418	+	357	=	775
5.	262	+	185	=	447
6.	251	+	213	=	464
7.	281	+	231	=	512
8.	308	+	293	=	601
9.	480	+	283	=	763
10.	311	+	208	=	519

Oefening 4
1.	419	+	373	=	792
2.	381	+	372	=	753
3.	449	+	386	=	835
4.	288	+	143	=	431
5.	410	+	293	=	703
6.	174	+	136	=	310
7.	262	+	226	=	488
8.	413	+	208	=	621
9.	317	+	278	=	595
10.	498	+	249	=	747