Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	476	+		=	614
2.	419	+		=	709
3.	453	+		=	663
4.	412	+		=	650
5.	444	+		=	817
6.	450	+		=	662
7.	453	+		=	664
8.	397	+		=	791
9.	340	+		=	487
10.	487	+		=	814

Oefening 2
1.	369	+		=	713
2.	444	+		=	697
3.	395	+		=	568
4.	369	+		=	683
5.	453	+		=	795
6.	390	+		=	686
7.	450	+		=	845
8.	282	+		=	558
9.	397	+		=	677
10.	343	+		=	657

Oefening 3
1.	455	+		=	837
2.	388	+		=	752
3.	296	+		=	509
4.	423	+		=	757
5.	399	+		=	563
6.	466	+		=	572
7.	457	+		=	671
8.	490	+		=	966
9.	333	+		=	504
10.	259	+		=	476

Oefening 4
1.	238	+		=	432
2.	393	+		=	759
3.	357	+		=	672
4.	469	+		=	586
5.	498	+		=	671
6.	329	+		=	599
7.	161	+		=	319
8.	369	+		=	563
9.	467	+		=	686
10.	453	+		=	803

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	476	+	138	=	614
2.	419	+	290	=	709
3.	453	+	210	=	663
4.	412	+	238	=	650
5.	444	+	373	=	817
6.	450	+	212	=	662
7.	453	+	211	=	664
8.	397	+	394	=	791
9.	340	+	147	=	487
10.	487	+	327	=	814

Oefening 2
1.	369	+	344	=	713
2.	444	+	253	=	697
3.	395	+	173	=	568
4.	369	+	314	=	683
5.	453	+	342	=	795
6.	390	+	296	=	686
7.	450	+	395	=	845
8.	282	+	276	=	558
9.	397	+	280	=	677
10.	343	+	314	=	657

Oefening 3
1.	455	+	382	=	837
2.	388	+	364	=	752
3.	296	+	213	=	509
4.	423	+	334	=	757
5.	399	+	164	=	563
6.	466	+	106	=	572
7.	457	+	214	=	671
8.	490	+	476	=	966
9.	333	+	171	=	504
10.	259	+	217	=	476

Oefening 4
1.	238	+	194	=	432
2.	393	+	366	=	759
3.	357	+	315	=	672
4.	469	+	117	=	586
5.	498	+	173	=	671
6.	329	+	270	=	599
7.	161	+	158	=	319
8.	369	+	194	=	563
9.	467	+	219	=	686
10.	453	+	350	=	803