Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	181	+		=	316
2.	247	+		=	474
3.	242	+		=	469
4.	229	+		=	449
5.	228	+		=	287
6.	89	+		=	166
7.	113	+		=	204
8.	226	+		=	302
9.	232	+		=	285
10.	127	+		=	206

Oefening 2
1.	234	+		=	380
2.	143	+		=	232
3.	63	+		=	116
4.	142	+		=	235
5.	121	+		=	197
6.	203	+		=	262
7.	146	+		=	267
8.	238	+		=	348
9.	139	+		=	245
10.	146	+		=	196

Oefening 3
1.	211	+		=	382
2.	151	+		=	295
3.	234	+		=	290
4.	203	+		=	400
5.	193	+		=	269
6.	149	+		=	227
7.	225	+		=	368
8.	149	+		=	282
9.	176	+		=	309
10.	190	+		=	294

Oefening 4
1.	166	+		=	266
2.	147	+		=	264
3.	244	+		=	392
4.	181	+		=	297
5.	170	+		=	230
6.	179	+		=	292
7.	150	+		=	264
8.	234	+		=	400
9.	170	+		=	299
10.	231	+		=	336

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	181	+	135	=	316
2.	247	+	227	=	474
3.	242	+	227	=	469
4.	229	+	220	=	449
5.	228	+	59	=	287
6.	89	+	77	=	166
7.	113	+	91	=	204
8.	226	+	76	=	302
9.	232	+	53	=	285
10.	127	+	79	=	206

Oefening 2
1.	234	+	146	=	380
2.	143	+	89	=	232
3.	63	+	53	=	116
4.	142	+	93	=	235
5.	121	+	76	=	197
6.	203	+	59	=	262
7.	146	+	121	=	267
8.	238	+	110	=	348
9.	139	+	106	=	245
10.	146	+	50	=	196

Oefening 3
1.	211	+	171	=	382
2.	151	+	144	=	295
3.	234	+	56	=	290
4.	203	+	197	=	400
5.	193	+	76	=	269
6.	149	+	78	=	227
7.	225	+	143	=	368
8.	149	+	133	=	282
9.	176	+	133	=	309
10.	190	+	104	=	294

Oefening 4
1.	166	+	100	=	266
2.	147	+	117	=	264
3.	244	+	148	=	392
4.	181	+	116	=	297
5.	170	+	60	=	230
6.	179	+	113	=	292
7.	150	+	114	=	264
8.	234	+	166	=	400
9.	170	+	129	=	299
10.	231	+	105	=	336