Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	178	+		=	273
2.	181	+		=	356
3.	108	+		=	168
4.	184	+		=	257
5.	124	+		=	232
6.	159	+		=	262
7.	169	+		=	322
8.	147	+		=	233
9.	173	+		=	229
10.	205	+		=	336

Oefening 2
1.	111	+		=	212
2.	180	+		=	333
3.	124	+		=	183
4.	89	+		=	144
5.	213	+		=	358
6.	195	+		=	307
7.	232	+		=	407
8.	173	+		=	294
9.	129	+		=	243
10.	176	+		=	230

Oefening 3
1.	184	+		=	315
2.	185	+		=	291
3.	119	+		=	229
4.	190	+		=	276
5.	212	+		=	276
6.	109	+		=	206
7.	181	+		=	240
8.	196	+		=	382
9.	218	+		=	363
10.	150	+		=	211

Oefening 4
1.	221	+		=	350
2.	201	+		=	256
3.	229	+		=	414
4.	247	+		=	348
5.	227	+		=	361
6.	110	+		=	216
7.	74	+		=	136
8.	249	+		=	377
9.	181	+		=	232
10.	130	+		=	181

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	178	+	95	=	273
2.	181	+	175	=	356
3.	108	+	60	=	168
4.	184	+	73	=	257
5.	124	+	108	=	232
6.	159	+	103	=	262
7.	169	+	153	=	322
8.	147	+	86	=	233
9.	173	+	56	=	229
10.	205	+	131	=	336

Oefening 2
1.	111	+	101	=	212
2.	180	+	153	=	333
3.	124	+	59	=	183
4.	89	+	55	=	144
5.	213	+	145	=	358
6.	195	+	112	=	307
7.	232	+	175	=	407
8.	173	+	121	=	294
9.	129	+	114	=	243
10.	176	+	54	=	230

Oefening 3
1.	184	+	131	=	315
2.	185	+	106	=	291
3.	119	+	110	=	229
4.	190	+	86	=	276
5.	212	+	64	=	276
6.	109	+	97	=	206
7.	181	+	59	=	240
8.	196	+	186	=	382
9.	218	+	145	=	363
10.	150	+	61	=	211

Oefening 4
1.	221	+	129	=	350
2.	201	+	55	=	256
3.	229	+	185	=	414
4.	247	+	101	=	348
5.	227	+	134	=	361
6.	110	+	106	=	216
7.	74	+	62	=	136
8.	249	+	128	=	377
9.	181	+	51	=	232
10.	130	+	51	=	181