Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	317	+		=	528
2.	374	+		=	740
3.	493	+		=	926
4.	414	+		=	824
5.	406	+		=	801
6.	456	+		=	646
7.	418	+		=	714
8.	468	+		=	905
9.	219	+		=	361
10.	228	+		=	449

Oefening 2
1.	283	+		=	387
2.	490	+		=	751
3.	297	+		=	431
4.	446	+		=	830
5.	385	+		=	560
6.	449	+		=	766
7.	412	+		=	677
8.	297	+		=	578
9.	426	+		=	721
10.	352	+		=	455

Oefening 3
1.	340	+		=	640
2.	393	+		=	659
3.	471	+		=	623
4.	382	+		=	714
5.	313	+		=	597
6.	433	+		=	818
7.	334	+		=	444
8.	371	+		=	586
9.	334	+		=	439
10.	199	+		=	370

Oefening 4
1.	462	+		=	577
2.	369	+		=	561
3.	162	+		=	277
4.	415	+		=	522
5.	283	+		=	418
6.	145	+		=	256
7.	471	+		=	872
8.	251	+		=	358
9.	191	+		=	367
10.	404	+		=	642

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	317	+	211	=	528
2.	374	+	366	=	740
3.	493	+	433	=	926
4.	414	+	410	=	824
5.	406	+	395	=	801
6.	456	+	190	=	646
7.	418	+	296	=	714
8.	468	+	437	=	905
9.	219	+	142	=	361
10.	228	+	221	=	449

Oefening 2
1.	283	+	104	=	387
2.	490	+	261	=	751
3.	297	+	134	=	431
4.	446	+	384	=	830
5.	385	+	175	=	560
6.	449	+	317	=	766
7.	412	+	265	=	677
8.	297	+	281	=	578
9.	426	+	295	=	721
10.	352	+	103	=	455

Oefening 3
1.	340	+	300	=	640
2.	393	+	266	=	659
3.	471	+	152	=	623
4.	382	+	332	=	714
5.	313	+	284	=	597
6.	433	+	385	=	818
7.	334	+	110	=	444
8.	371	+	215	=	586
9.	334	+	105	=	439
10.	199	+	171	=	370

Oefening 4
1.	462	+	115	=	577
2.	369	+	192	=	561
3.	162	+	115	=	277
4.	415	+	107	=	522
5.	283	+	135	=	418
6.	145	+	111	=	256
7.	471	+	401	=	872
8.	251	+	107	=	358
9.	191	+	176	=	367
10.	404	+	238	=	642