Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	487	+		=	938
2.	461	+		=	644
3.	123	+		=	245
4.	481	+		=	613
5.	219	+		=	409
6.	420	+		=	785
7.	465	+		=	585
8.	209	+		=	318
9.	170	+		=	314
10.	390	+		=	713

Oefening 2
1.	311	+		=	607
2.	289	+		=	393
3.	166	+		=	283
4.	422	+		=	552
5.	457	+		=	869
6.	462	+		=	829
7.	284	+		=	522
8.	279	+		=	441
9.	497	+		=	651
10.	480	+		=	690

Oefening 3
1.	322	+		=	531
2.	311	+		=	449
3.	405	+		=	776
4.	447	+		=	605
5.	468	+		=	821
6.	261	+		=	476
7.	418	+		=	540
8.	449	+		=	696
9.	352	+		=	634
10.	245	+		=	346

Oefening 4
1.	289	+		=	535
2.	408	+		=	698
3.	259	+		=	470
4.	194	+		=	379
5.	431	+		=	731
6.	391	+		=	561
7.	492	+		=	732
8.	390	+		=	759
9.	419	+		=	699
10.	457	+		=	789

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	487	+	451	=	938
2.	461	+	183	=	644
3.	123	+	122	=	245
4.	481	+	132	=	613
5.	219	+	190	=	409
6.	420	+	365	=	785
7.	465	+	120	=	585
8.	209	+	109	=	318
9.	170	+	144	=	314
10.	390	+	323	=	713

Oefening 2
1.	311	+	296	=	607
2.	289	+	104	=	393
3.	166	+	117	=	283
4.	422	+	130	=	552
5.	457	+	412	=	869
6.	462	+	367	=	829
7.	284	+	238	=	522
8.	279	+	162	=	441
9.	497	+	154	=	651
10.	480	+	210	=	690

Oefening 3
1.	322	+	209	=	531
2.	311	+	138	=	449
3.	405	+	371	=	776
4.	447	+	158	=	605
5.	468	+	353	=	821
6.	261	+	215	=	476
7.	418	+	122	=	540
8.	449	+	247	=	696
9.	352	+	282	=	634
10.	245	+	101	=	346

Oefening 4
1.	289	+	246	=	535
2.	408	+	290	=	698
3.	259	+	211	=	470
4.	194	+	185	=	379
5.	431	+	300	=	731
6.	391	+	170	=	561
7.	492	+	240	=	732
8.	390	+	369	=	759
9.	419	+	280	=	699
10.	457	+	332	=	789