Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	388	+		=	606
2.	300	+		=	402
3.	490	+		=	897
4.	364	+		=	538
5.	242	+		=	388
6.	361	+		=	650
7.	428	+		=	718
8.	330	+		=	570
9.	140	+		=	273
10.	379	+		=	647

Oefening 2
1.	439	+		=	659
2.	373	+		=	641
3.	312	+		=	543
4.	327	+		=	552
5.	346	+		=	476
6.	379	+		=	637
7.	363	+		=	723
8.	198	+		=	342
9.	452	+		=	568
10.	440	+		=	551

Oefening 3
1.	387	+		=	523
2.	287	+		=	471
3.	169	+		=	302
4.	367	+		=	691
5.	391	+		=	720
6.	415	+		=	641
7.	468	+		=	678
8.	262	+		=	399
9.	316	+		=	600
10.	383	+		=	637

Oefening 4
1.	404	+		=	773
2.	425	+		=	676
3.	323	+		=	598
4.	428	+		=	739
5.	421	+		=	603
6.	493	+		=	758
7.	492	+		=	837
8.	274	+		=	464
9.	347	+		=	473
10.	241	+		=	359

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	388	+	218	=	606
2.	300	+	102	=	402
3.	490	+	407	=	897
4.	364	+	174	=	538
5.	242	+	146	=	388
6.	361	+	289	=	650
7.	428	+	290	=	718
8.	330	+	240	=	570
9.	140	+	133	=	273
10.	379	+	268	=	647

Oefening 2
1.	439	+	220	=	659
2.	373	+	268	=	641
3.	312	+	231	=	543
4.	327	+	225	=	552
5.	346	+	130	=	476
6.	379	+	258	=	637
7.	363	+	360	=	723
8.	198	+	144	=	342
9.	452	+	116	=	568
10.	440	+	111	=	551

Oefening 3
1.	387	+	136	=	523
2.	287	+	184	=	471
3.	169	+	133	=	302
4.	367	+	324	=	691
5.	391	+	329	=	720
6.	415	+	226	=	641
7.	468	+	210	=	678
8.	262	+	137	=	399
9.	316	+	284	=	600
10.	383	+	254	=	637

Oefening 4
1.	404	+	369	=	773
2.	425	+	251	=	676
3.	323	+	275	=	598
4.	428	+	311	=	739
5.	421	+	182	=	603
6.	493	+	265	=	758
7.	492	+	345	=	837
8.	274	+	190	=	464
9.	347	+	126	=	473
10.	241	+	118	=	359