Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	339	+		=	551
2.	245	+		=	414
3.	465	+		=	603
4.	410	+		=	725
5.	448	+		=	727
6.	496	+		=	921
7.	175	+		=	325
8.	405	+		=	749
9.	466	+		=	836
10.	401	+		=	538

Oefening 2
1.	437	+		=	568
2.	456	+		=	682
3.	332	+		=	540
4.	430	+		=	821
5.	417	+		=	578
6.	497	+		=	967
7.	350	+		=	641
8.	343	+		=	663
9.	383	+		=	660
10.	235	+		=	357

Oefening 3
1.	480	+		=	906
2.	222	+		=	406
3.	396	+		=	778
4.	304	+		=	589
5.	404	+		=	779
6.	361	+		=	644
7.	333	+		=	466
8.	495	+		=	742
9.	276	+		=	483
10.	379	+		=	491

Oefening 4
1.	154	+		=	282
2.	225	+		=	406
3.	336	+		=	556
4.	325	+		=	648
5.	339	+		=	609
6.	390	+		=	647
7.	268	+		=	490
8.	359	+		=	510
9.	485	+		=	624
10.	334	+		=	593

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	339	+	212	=	551
2.	245	+	169	=	414
3.	465	+	138	=	603
4.	410	+	315	=	725
5.	448	+	279	=	727
6.	496	+	425	=	921
7.	175	+	150	=	325
8.	405	+	344	=	749
9.	466	+	370	=	836
10.	401	+	137	=	538

Oefening 2
1.	437	+	131	=	568
2.	456	+	226	=	682
3.	332	+	208	=	540
4.	430	+	391	=	821
5.	417	+	161	=	578
6.	497	+	470	=	967
7.	350	+	291	=	641
8.	343	+	320	=	663
9.	383	+	277	=	660
10.	235	+	122	=	357

Oefening 3
1.	480	+	426	=	906
2.	222	+	184	=	406
3.	396	+	382	=	778
4.	304	+	285	=	589
5.	404	+	375	=	779
6.	361	+	283	=	644
7.	333	+	133	=	466
8.	495	+	247	=	742
9.	276	+	207	=	483
10.	379	+	112	=	491

Oefening 4
1.	154	+	128	=	282
2.	225	+	181	=	406
3.	336	+	220	=	556
4.	325	+	323	=	648
5.	339	+	270	=	609
6.	390	+	257	=	647
7.	268	+	222	=	490
8.	359	+	151	=	510
9.	485	+	139	=	624
10.	334	+	259	=	593