Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	203	+		=	345
2.	159	+		=	231
3.	247	+		=	336
4.	244	+		=	313
5.	166	+		=	240
6.	91	+		=	142
7.	94	+		=	167
8.	246	+		=	325
9.	215	+		=	280
10.	96	+		=	182

Oefening 2
1.	249	+		=	482
2.	210	+		=	364
3.	67	+		=	118
4.	231	+		=	417
5.	194	+		=	283
6.	130	+		=	181
7.	230	+		=	355
8.	186	+		=	249
9.	208	+		=	333
10.	138	+		=	239

Oefening 3
1.	187	+		=	295
2.	222	+		=	426
3.	239	+		=	319
4.	219	+		=	420
5.	181	+		=	270
6.	223	+		=	345
7.	239	+		=	375
8.	173	+		=	257
9.	147	+		=	227
10.	177	+		=	271

Oefening 4
1.	168	+		=	247
2.	205	+		=	300
3.	239	+		=	356
4.	247	+		=	435
5.	196	+		=	264
6.	241	+		=	314
7.	232	+		=	421
8.	201	+		=	261
9.	196	+		=	269
10.	233	+		=	355

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	203	+	142	=	345
2.	159	+	72	=	231
3.	247	+	89	=	336
4.	244	+	69	=	313
5.	166	+	74	=	240
6.	91	+	51	=	142
7.	94	+	73	=	167
8.	246	+	79	=	325
9.	215	+	65	=	280
10.	96	+	86	=	182

Oefening 2
1.	249	+	233	=	482
2.	210	+	154	=	364
3.	67	+	51	=	118
4.	231	+	186	=	417
5.	194	+	89	=	283
6.	130	+	51	=	181
7.	230	+	125	=	355
8.	186	+	63	=	249
9.	208	+	125	=	333
10.	138	+	101	=	239

Oefening 3
1.	187	+	108	=	295
2.	222	+	204	=	426
3.	239	+	80	=	319
4.	219	+	201	=	420
5.	181	+	89	=	270
6.	223	+	122	=	345
7.	239	+	136	=	375
8.	173	+	84	=	257
9.	147	+	80	=	227
10.	177	+	94	=	271

Oefening 4
1.	168	+	79	=	247
2.	205	+	95	=	300
3.	239	+	117	=	356
4.	247	+	188	=	435
5.	196	+	68	=	264
6.	241	+	73	=	314
7.	232	+	189	=	421
8.	201	+	60	=	261
9.	196	+	73	=	269
10.	233	+	122	=	355