Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	143	+		=	195
2.	190	+		=	350
3.	107	+		=	164
4.	209	+		=	315
5.	249	+		=	391
6.	215	+		=	317
7.	53	+		=	103
8.	193	+		=	291
9.	234	+		=	457
10.	142	+		=	227

Oefening 2
1.	171	+		=	251
2.	212	+		=	313
3.	227	+		=	449
4.	144	+		=	224
5.	231	+		=	378
6.	247	+		=	306
7.	201	+		=	306
8.	225	+		=	345
9.	227	+		=	349
10.	229	+		=	295

Oefening 3
1.	86	+		=	147
2.	233	+		=	454
3.	211	+		=	398
4.	169	+		=	292
5.	179	+		=	279
6.	168	+		=	255
7.	168	+		=	281
8.	221	+		=	382
9.	213	+		=	303
10.	248	+		=	363

Oefening 4
1.	224	+		=	308
2.	167	+		=	289
3.	162	+		=	312
4.	246	+		=	457
5.	209	+		=	357
6.	180	+		=	358
7.	192	+		=	281
8.	160	+		=	236
9.	171	+		=	271
10.	193	+		=	347

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	143	+	52	=	195
2.	190	+	160	=	350
3.	107	+	57	=	164
4.	209	+	106	=	315
5.	249	+	142	=	391
6.	215	+	102	=	317
7.	53	+	50	=	103
8.	193	+	98	=	291
9.	234	+	223	=	457
10.	142	+	85	=	227

Oefening 2
1.	171	+	80	=	251
2.	212	+	101	=	313
3.	227	+	222	=	449
4.	144	+	80	=	224
5.	231	+	147	=	378
6.	247	+	59	=	306
7.	201	+	105	=	306
8.	225	+	120	=	345
9.	227	+	122	=	349
10.	229	+	66	=	295

Oefening 3
1.	86	+	61	=	147
2.	233	+	221	=	454
3.	211	+	187	=	398
4.	169	+	123	=	292
5.	179	+	100	=	279
6.	168	+	87	=	255
7.	168	+	113	=	281
8.	221	+	161	=	382
9.	213	+	90	=	303
10.	248	+	115	=	363

Oefening 4
1.	224	+	84	=	308
2.	167	+	122	=	289
3.	162	+	150	=	312
4.	246	+	211	=	457
5.	209	+	148	=	357
6.	180	+	178	=	358
7.	192	+	89	=	281
8.	160	+	76	=	236
9.	171	+	100	=	271
10.	193	+	154	=	347