Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	373	+		=	499
2.	396	+		=	744
3.	402	+		=	655
4.	285	+		=	425
5.	388	+		=	642
6.	435	+		=	807
7.	279	+		=	466
8.	405	+		=	799
9.	388	+		=	732
10.	322	+		=	553

Oefening 2
1.	428	+		=	665
2.	475	+		=	858
3.	429	+		=	700
4.	298	+		=	559
5.	287	+		=	437
6.	498	+		=	807
7.	348	+		=	626
8.	376	+		=	564
9.	336	+		=	636
10.	201	+		=	361

Oefening 3
1.	326	+		=	448
2.	415	+		=	621
3.	318	+		=	461
4.	434	+		=	679
5.	274	+		=	431
6.	498	+		=	889
7.	166	+		=	272
8.	315	+		=	484
9.	279	+		=	456
10.	419	+		=	722

Oefening 4
1.	461	+		=	759
2.	342	+		=	651
3.	283	+		=	462
4.	380	+		=	558
5.	395	+		=	673
6.	211	+		=	349
7.	272	+		=	482
8.	376	+		=	509
9.	485	+		=	759
10.	468	+		=	695

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	373	+	126	=	499
2.	396	+	348	=	744
3.	402	+	253	=	655
4.	285	+	140	=	425
5.	388	+	254	=	642
6.	435	+	372	=	807
7.	279	+	187	=	466
8.	405	+	394	=	799
9.	388	+	344	=	732
10.	322	+	231	=	553

Oefening 2
1.	428	+	237	=	665
2.	475	+	383	=	858
3.	429	+	271	=	700
4.	298	+	261	=	559
5.	287	+	150	=	437
6.	498	+	309	=	807
7.	348	+	278	=	626
8.	376	+	188	=	564
9.	336	+	300	=	636
10.	201	+	160	=	361

Oefening 3
1.	326	+	122	=	448
2.	415	+	206	=	621
3.	318	+	143	=	461
4.	434	+	245	=	679
5.	274	+	157	=	431
6.	498	+	391	=	889
7.	166	+	106	=	272
8.	315	+	169	=	484
9.	279	+	177	=	456
10.	419	+	303	=	722

Oefening 4
1.	461	+	298	=	759
2.	342	+	309	=	651
3.	283	+	179	=	462
4.	380	+	178	=	558
5.	395	+	278	=	673
6.	211	+	138	=	349
7.	272	+	210	=	482
8.	376	+	133	=	509
9.	485	+	274	=	759
10.	468	+	227	=	695