Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	174	+		=	251
2.	135	+		=	195
3.	120	+		=	224
4.	123	+		=	217
5.	206	+		=	409
6.	194	+		=	256
7.	196	+		=	264
8.	193	+		=	296
9.	169	+		=	240
10.	174	+		=	317

Oefening 2
1.	227	+		=	421
2.	157	+		=	286
3.	249	+		=	398
4.	133	+		=	229
5.	165	+		=	286
6.	203	+		=	261
7.	235	+		=	353
8.	208	+		=	398
9.	204	+		=	352
10.	204	+		=	341

Oefening 3
1.	78	+		=	146
2.	230	+		=	408
3.	119	+		=	170
4.	192	+		=	289
5.	148	+		=	285
6.	226	+		=	309
7.	170	+		=	309
8.	105	+		=	162
9.	131	+		=	223
10.	212	+		=	312

Oefening 4
1.	65	+		=	120
2.	214	+		=	360
3.	144	+		=	265
4.	183	+		=	314
5.	218	+		=	274
6.	250	+		=	319
7.	142	+		=	255
8.	168	+		=	279
9.	126	+		=	203
10.	171	+		=	221

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	174	+	77	=	251
2.	135	+	60	=	195
3.	120	+	104	=	224
4.	123	+	94	=	217
5.	206	+	203	=	409
6.	194	+	62	=	256
7.	196	+	68	=	264
8.	193	+	103	=	296
9.	169	+	71	=	240
10.	174	+	143	=	317

Oefening 2
1.	227	+	194	=	421
2.	157	+	129	=	286
3.	249	+	149	=	398
4.	133	+	96	=	229
5.	165	+	121	=	286
6.	203	+	58	=	261
7.	235	+	118	=	353
8.	208	+	190	=	398
9.	204	+	148	=	352
10.	204	+	137	=	341

Oefening 3
1.	78	+	68	=	146
2.	230	+	178	=	408
3.	119	+	51	=	170
4.	192	+	97	=	289
5.	148	+	137	=	285
6.	226	+	83	=	309
7.	170	+	139	=	309
8.	105	+	57	=	162
9.	131	+	92	=	223
10.	212	+	100	=	312

Oefening 4
1.	65	+	55	=	120
2.	214	+	146	=	360
3.	144	+	121	=	265
4.	183	+	131	=	314
5.	218	+	56	=	274
6.	250	+	69	=	319
7.	142	+	113	=	255
8.	168	+	111	=	279
9.	126	+	77	=	203
10.	171	+	50	=	221