Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	83	+		=	158
2.	201	+		=	380
3.	186	+		=	241
4.	207	+		=	282
5.	196	+		=	360
6.	185	+		=	296
7.	168	+		=	250
8.	226	+		=	319
9.	166	+		=	326
10.	225	+		=	281

Oefening 2
1.	200	+		=	386
2.	207	+		=	276
3.	137	+		=	268
4.	215	+		=	298
5.	220	+		=	386
6.	200	+		=	351
7.	232	+		=	405
8.	218	+		=	315
9.	235	+		=	437
10.	204	+		=	279

Oefening 3
1.	149	+		=	244
2.	243	+		=	457
3.	157	+		=	241
4.	224	+		=	335
5.	133	+		=	240
6.	201	+		=	318
7.	208	+		=	275
8.	119	+		=	173
9.	123	+		=	213
10.	250	+		=	469

Oefening 4
1.	179	+		=	343
2.	234	+		=	427
3.	55	+		=	109
4.	209	+		=	280
5.	179	+		=	250
6.	166	+		=	290
7.	247	+		=	377
8.	214	+		=	349
9.	189	+		=	263
10.	237	+		=	338

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	83	+	75	=	158
2.	201	+	179	=	380
3.	186	+	55	=	241
4.	207	+	75	=	282
5.	196	+	164	=	360
6.	185	+	111	=	296
7.	168	+	82	=	250
8.	226	+	93	=	319
9.	166	+	160	=	326
10.	225	+	56	=	281

Oefening 2
1.	200	+	186	=	386
2.	207	+	69	=	276
3.	137	+	131	=	268
4.	215	+	83	=	298
5.	220	+	166	=	386
6.	200	+	151	=	351
7.	232	+	173	=	405
8.	218	+	97	=	315
9.	235	+	202	=	437
10.	204	+	75	=	279

Oefening 3
1.	149	+	95	=	244
2.	243	+	214	=	457
3.	157	+	84	=	241
4.	224	+	111	=	335
5.	133	+	107	=	240
6.	201	+	117	=	318
7.	208	+	67	=	275
8.	119	+	54	=	173
9.	123	+	90	=	213
10.	250	+	219	=	469

Oefening 4
1.	179	+	164	=	343
2.	234	+	193	=	427
3.	55	+	54	=	109
4.	209	+	71	=	280
5.	179	+	71	=	250
6.	166	+	124	=	290
7.	247	+	130	=	377
8.	214	+	135	=	349
9.	189	+	74	=	263
10.	237	+	101	=	338