Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	320	+		=	561
2.	436	+		=	598
3.	384	+		=	523
4.	426	+		=	709
5.	450	+		=	674
6.	361	+		=	653
7.	405	+		=	599
8.	179	+		=	293
9.	210	+		=	392
10.	233	+		=	428

Oefening 2
1.	321	+		=	502
2.	467	+		=	753
3.	453	+		=	879
4.	315	+		=	583
5.	490	+		=	890
6.	270	+		=	377
7.	311	+		=	415
8.	331	+		=	646
9.	189	+		=	361
10.	331	+		=	500

Oefening 3
1.	489	+		=	622
2.	336	+		=	663
3.	224	+		=	430
4.	472	+		=	662
5.	251	+		=	403
6.	486	+		=	741
7.	308	+		=	590
8.	176	+		=	345
9.	181	+		=	353
10.	321	+		=	436

Oefening 4
1.	404	+		=	512
2.	362	+		=	573
3.	194	+		=	363
4.	382	+		=	534
5.	276	+		=	435
6.	333	+		=	624
7.	382	+		=	565
8.	362	+		=	465
9.	465	+		=	632
10.	401	+		=	659

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	320	+	241	=	561
2.	436	+	162	=	598
3.	384	+	139	=	523
4.	426	+	283	=	709
5.	450	+	224	=	674
6.	361	+	292	=	653
7.	405	+	194	=	599
8.	179	+	114	=	293
9.	210	+	182	=	392
10.	233	+	195	=	428

Oefening 2
1.	321	+	181	=	502
2.	467	+	286	=	753
3.	453	+	426	=	879
4.	315	+	268	=	583
5.	490	+	400	=	890
6.	270	+	107	=	377
7.	311	+	104	=	415
8.	331	+	315	=	646
9.	189	+	172	=	361
10.	331	+	169	=	500

Oefening 3
1.	489	+	133	=	622
2.	336	+	327	=	663
3.	224	+	206	=	430
4.	472	+	190	=	662
5.	251	+	152	=	403
6.	486	+	255	=	741
7.	308	+	282	=	590
8.	176	+	169	=	345
9.	181	+	172	=	353
10.	321	+	115	=	436

Oefening 4
1.	404	+	108	=	512
2.	362	+	211	=	573
3.	194	+	169	=	363
4.	382	+	152	=	534
5.	276	+	159	=	435
6.	333	+	291	=	624
7.	382	+	183	=	565
8.	362	+	103	=	465
9.	465	+	167	=	632
10.	401	+	258	=	659