Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	201	+		=	338
2.	120	+		=	179
3.	181	+		=	306
4.	220	+		=	289
5.	99	+		=	189
6.	156	+		=	218
7.	161	+		=	321
8.	173	+		=	227
9.	140	+		=	229
10.	200	+		=	279

Oefening 2
1.	140	+		=	245
2.	112	+		=	168
3.	233	+		=	375
4.	242	+		=	433
5.	210	+		=	300
6.	249	+		=	479
7.	228	+		=	428
8.	90	+		=	162
9.	207	+		=	350
10.	222	+		=	444

Oefening 3
1.	188	+		=	247
2.	194	+		=	282
3.	182	+		=	295
4.	222	+		=	289
5.	163	+		=	250
6.	156	+		=	301
7.	103	+		=	168
8.	191	+		=	367
9.	229	+		=	304
10.	189	+		=	362

Oefening 4
1.	165	+		=	317
2.	155	+		=	280
3.	223	+		=	300
4.	225	+		=	371
5.	233	+		=	427
6.	209	+		=	279
7.	229	+		=	346
8.	235	+		=	428
9.	239	+		=	320
10.	121	+		=	236

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	201	+	137	=	338
2.	120	+	59	=	179
3.	181	+	125	=	306
4.	220	+	69	=	289
5.	99	+	90	=	189
6.	156	+	62	=	218
7.	161	+	160	=	321
8.	173	+	54	=	227
9.	140	+	89	=	229
10.	200	+	79	=	279

Oefening 2
1.	140	+	105	=	245
2.	112	+	56	=	168
3.	233	+	142	=	375
4.	242	+	191	=	433
5.	210	+	90	=	300
6.	249	+	230	=	479
7.	228	+	200	=	428
8.	90	+	72	=	162
9.	207	+	143	=	350
10.	222	+	222	=	444

Oefening 3
1.	188	+	59	=	247
2.	194	+	88	=	282
3.	182	+	113	=	295
4.	222	+	67	=	289
5.	163	+	87	=	250
6.	156	+	145	=	301
7.	103	+	65	=	168
8.	191	+	176	=	367
9.	229	+	75	=	304
10.	189	+	173	=	362

Oefening 4
1.	165	+	152	=	317
2.	155	+	125	=	280
3.	223	+	77	=	300
4.	225	+	146	=	371
5.	233	+	194	=	427
6.	209	+	70	=	279
7.	229	+	117	=	346
8.	235	+	193	=	428
9.	239	+	81	=	320
10.	121	+	115	=	236