Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	337	+		=	477
2.	395	+		=	671
3.	267	+		=	450
4.	422	+		=	741
5.	359	+		=	695
6.	364	+		=	614
7.	390	+		=	669
8.	470	+		=	774
9.	269	+		=	434
10.	319	+		=	437

Oefening 2
1.	238	+		=	378
2.	404	+		=	755
3.	121	+		=	226
4.	456	+		=	756
5.	277	+		=	400
6.	419	+		=	541
7.	306	+		=	464
8.	301	+		=	414
9.	453	+		=	802
10.	382	+		=	666

Oefening 3
1.	457	+		=	574
2.	491	+		=	596
3.	384	+		=	683
4.	331	+		=	508
5.	402	+		=	791
6.	302	+		=	423
7.	424	+		=	709
8.	307	+		=	450
9.	323	+		=	576
10.	253	+		=	439

Oefening 4
1.	278	+		=	449
2.	490	+		=	954
3.	191	+		=	359
4.	171	+		=	280
5.	239	+		=	405
6.	429	+		=	600
7.	346	+		=	681
8.	267	+		=	500
9.	283	+		=	529
10.	357	+		=	518

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	337	+	140	=	477
2.	395	+	276	=	671
3.	267	+	183	=	450
4.	422	+	319	=	741
5.	359	+	336	=	695
6.	364	+	250	=	614
7.	390	+	279	=	669
8.	470	+	304	=	774
9.	269	+	165	=	434
10.	319	+	118	=	437

Oefening 2
1.	238	+	140	=	378
2.	404	+	351	=	755
3.	121	+	105	=	226
4.	456	+	300	=	756
5.	277	+	123	=	400
6.	419	+	122	=	541
7.	306	+	158	=	464
8.	301	+	113	=	414
9.	453	+	349	=	802
10.	382	+	284	=	666

Oefening 3
1.	457	+	117	=	574
2.	491	+	105	=	596
3.	384	+	299	=	683
4.	331	+	177	=	508
5.	402	+	389	=	791
6.	302	+	121	=	423
7.	424	+	285	=	709
8.	307	+	143	=	450
9.	323	+	253	=	576
10.	253	+	186	=	439

Oefening 4
1.	278	+	171	=	449
2.	490	+	464	=	954
3.	191	+	168	=	359
4.	171	+	109	=	280
5.	239	+	166	=	405
6.	429	+	171	=	600
7.	346	+	335	=	681
8.	267	+	233	=	500
9.	283	+	246	=	529
10.	357	+	161	=	518