Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	228	+		=	395
2.	225	+		=	329
3.	130	+		=	180
4.	230	+		=	427
5.	172	+		=	303
6.	246	+		=	412
7.	241	+		=	453
8.	208	+		=	361
9.	199	+		=	275
10.	234	+		=	424

Oefening 2
1.	148	+		=	219
2.	119	+		=	186
3.	148	+		=	256
4.	200	+		=	294
5.	240	+		=	299
6.	181	+		=	250
7.	173	+		=	297
8.	234	+		=	406
9.	155	+		=	211
10.	215	+		=	277

Oefening 3
1.	212	+		=	384
2.	236	+		=	305
3.	120	+		=	190
4.	232	+		=	316
5.	156	+		=	227
6.	232	+		=	413
7.	189	+		=	244
8.	218	+		=	371
9.	128	+		=	233
10.	191	+		=	309

Oefening 4
1.	243	+		=	479
2.	157	+		=	242
3.	111	+		=	174
4.	208	+		=	329
5.	99	+		=	154
6.	235	+		=	369
7.	187	+		=	355
8.	185	+		=	355
9.	231	+		=	336
10.	108	+		=	192

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	228	+	167	=	395
2.	225	+	104	=	329
3.	130	+	50	=	180
4.	230	+	197	=	427
5.	172	+	131	=	303
6.	246	+	166	=	412
7.	241	+	212	=	453
8.	208	+	153	=	361
9.	199	+	76	=	275
10.	234	+	190	=	424

Oefening 2
1.	148	+	71	=	219
2.	119	+	67	=	186
3.	148	+	108	=	256
4.	200	+	94	=	294
5.	240	+	59	=	299
6.	181	+	69	=	250
7.	173	+	124	=	297
8.	234	+	172	=	406
9.	155	+	56	=	211
10.	215	+	62	=	277

Oefening 3
1.	212	+	172	=	384
2.	236	+	69	=	305
3.	120	+	70	=	190
4.	232	+	84	=	316
5.	156	+	71	=	227
6.	232	+	181	=	413
7.	189	+	55	=	244
8.	218	+	153	=	371
9.	128	+	105	=	233
10.	191	+	118	=	309

Oefening 4
1.	243	+	236	=	479
2.	157	+	85	=	242
3.	111	+	63	=	174
4.	208	+	121	=	329
5.	99	+	55	=	154
6.	235	+	134	=	369
7.	187	+	168	=	355
8.	185	+	170	=	355
9.	231	+	105	=	336
10.	108	+	84	=	192