Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	245	+		=	447
2.	240	+		=	355
3.	218	+		=	300
4.	113	+		=	199
5.	186	+		=	368
6.	246	+		=	452
7.	212	+		=	336
8.	108	+		=	202
9.	213	+		=	354
10.	134	+		=	244

Oefening 2
1.	119	+		=	169
2.	179	+		=	319
3.	159	+		=	220
4.	247	+		=	443
5.	150	+		=	221
6.	171	+		=	237
7.	92	+		=	173
8.	236	+		=	404
9.	189	+		=	348
10.	156	+		=	218

Oefening 3
1.	144	+		=	271
2.	235	+		=	464
3.	172	+		=	271
4.	161	+		=	312
5.	99	+		=	171
6.	150	+		=	240
7.	231	+		=	378
8.	196	+		=	254
9.	223	+		=	410
10.	223	+		=	360

Oefening 4
1.	192	+		=	346
2.	189	+		=	292
3.	99	+		=	177
4.	232	+		=	461
5.	250	+		=	322
6.	197	+		=	383
7.	110	+		=	167
8.	239	+		=	473
9.	209	+		=	317
10.	123	+		=	201

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	245	+	202	=	447
2.	240	+	115	=	355
3.	218	+	82	=	300
4.	113	+	86	=	199
5.	186	+	182	=	368
6.	246	+	206	=	452
7.	212	+	124	=	336
8.	108	+	94	=	202
9.	213	+	141	=	354
10.	134	+	110	=	244

Oefening 2
1.	119	+	50	=	169
2.	179	+	140	=	319
3.	159	+	61	=	220
4.	247	+	196	=	443
5.	150	+	71	=	221
6.	171	+	66	=	237
7.	92	+	81	=	173
8.	236	+	168	=	404
9.	189	+	159	=	348
10.	156	+	62	=	218

Oefening 3
1.	144	+	127	=	271
2.	235	+	229	=	464
3.	172	+	99	=	271
4.	161	+	151	=	312
5.	99	+	72	=	171
6.	150	+	90	=	240
7.	231	+	147	=	378
8.	196	+	58	=	254
9.	223	+	187	=	410
10.	223	+	137	=	360

Oefening 4
1.	192	+	154	=	346
2.	189	+	103	=	292
3.	99	+	78	=	177
4.	232	+	229	=	461
5.	250	+	72	=	322
6.	197	+	186	=	383
7.	110	+	57	=	167
8.	239	+	234	=	473
9.	209	+	108	=	317
10.	123	+	78	=	201