Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	152	+		=	275
2.	238	+		=	453
3.	211	+		=	293
4.	180	+		=	330
5.	197	+		=	314
6.	185	+		=	332
7.	119	+		=	171
8.	231	+		=	395
9.	81	+		=	145
10.	120	+		=	186

Oefening 2
1.	110	+		=	201
2.	179	+		=	327
3.	130	+		=	226
4.	117	+		=	226
5.	64	+		=	122
6.	147	+		=	212
7.	240	+		=	479
8.	185	+		=	279
9.	88	+		=	161
10.	191	+		=	272

Oefening 3
1.	188	+		=	285
2.	241	+		=	377
3.	181	+		=	244
4.	147	+		=	205
5.	120	+		=	194
6.	227	+		=	449
7.	177	+		=	230
8.	217	+		=	354
9.	246	+		=	406
10.	218	+		=	342

Oefening 4
1.	165	+		=	298
2.	184	+		=	260
3.	124	+		=	239
4.	164	+		=	240
5.	241	+		=	304
6.	243	+		=	392
7.	157	+		=	256
8.	88	+		=	141
9.	245	+		=	477
10.	123	+		=	196

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	152	+	123	=	275
2.	238	+	215	=	453
3.	211	+	82	=	293
4.	180	+	150	=	330
5.	197	+	117	=	314
6.	185	+	147	=	332
7.	119	+	52	=	171
8.	231	+	164	=	395
9.	81	+	64	=	145
10.	120	+	66	=	186

Oefening 2
1.	110	+	91	=	201
2.	179	+	148	=	327
3.	130	+	96	=	226
4.	117	+	109	=	226
5.	64	+	58	=	122
6.	147	+	65	=	212
7.	240	+	239	=	479
8.	185	+	94	=	279
9.	88	+	73	=	161
10.	191	+	81	=	272

Oefening 3
1.	188	+	97	=	285
2.	241	+	136	=	377
3.	181	+	63	=	244
4.	147	+	58	=	205
5.	120	+	74	=	194
6.	227	+	222	=	449
7.	177	+	53	=	230
8.	217	+	137	=	354
9.	246	+	160	=	406
10.	218	+	124	=	342

Oefening 4
1.	165	+	133	=	298
2.	184	+	76	=	260
3.	124	+	115	=	239
4.	164	+	76	=	240
5.	241	+	63	=	304
6.	243	+	149	=	392
7.	157	+	99	=	256
8.	88	+	53	=	141
9.	245	+	232	=	477
10.	123	+	73	=	196