Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	157	+		=	271
2.	215	+		=	385
3.	234	+		=	361
4.	218	+		=	297
5.	172	+		=	334
6.	177	+		=	249
7.	247	+		=	392
8.	197	+		=	380
9.	245	+		=	371
10.	229	+		=	307

Oefening 2
1.	221	+		=	428
2.	187	+		=	308
3.	77	+		=	146
4.	216	+		=	275
5.	241	+		=	472
6.	249	+		=	330
7.	190	+		=	269
8.	245	+		=	372
9.	215	+		=	348
10.	201	+		=	325

Oefening 3
1.	229	+		=	296
2.	184	+		=	355
3.	229	+		=	319
4.	110	+		=	168
5.	228	+		=	346
6.	218	+		=	412
7.	191	+		=	307
8.	115	+		=	228
9.	96	+		=	185
10.	196	+		=	335

Oefening 4
1.	206	+		=	314
2.	182	+		=	355
3.	145	+		=	251
4.	152	+		=	294
5.	171	+		=	247
6.	218	+		=	370
7.	80	+		=	139
8.	201	+		=	277
9.	143	+		=	285
10.	191	+		=	249

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	157	+	114	=	271
2.	215	+	170	=	385
3.	234	+	127	=	361
4.	218	+	79	=	297
5.	172	+	162	=	334
6.	177	+	72	=	249
7.	247	+	145	=	392
8.	197	+	183	=	380
9.	245	+	126	=	371
10.	229	+	78	=	307

Oefening 2
1.	221	+	207	=	428
2.	187	+	121	=	308
3.	77	+	69	=	146
4.	216	+	59	=	275
5.	241	+	231	=	472
6.	249	+	81	=	330
7.	190	+	79	=	269
8.	245	+	127	=	372
9.	215	+	133	=	348
10.	201	+	124	=	325

Oefening 3
1.	229	+	67	=	296
2.	184	+	171	=	355
3.	229	+	90	=	319
4.	110	+	58	=	168
5.	228	+	118	=	346
6.	218	+	194	=	412
7.	191	+	116	=	307
8.	115	+	113	=	228
9.	96	+	89	=	185
10.	196	+	139	=	335

Oefening 4
1.	206	+	108	=	314
2.	182	+	173	=	355
3.	145	+	106	=	251
4.	152	+	142	=	294
5.	171	+	76	=	247
6.	218	+	152	=	370
7.	80	+	59	=	139
8.	201	+	76	=	277
9.	143	+	142	=	285
10.	191	+	58	=	249