Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	202	+		=	285
2.	166	+		=	261
3.	172	+		=	231
4.	181	+		=	250
5.	205	+		=	392
6.	172	+		=	268
7.	187	+		=	309
8.	158	+		=	277
9.	193	+		=	252
10.	208	+		=	365

Oefening 2
1.	226	+		=	303
2.	218	+		=	433
3.	163	+		=	252
4.	202	+		=	333
5.	172	+		=	325
6.	197	+		=	321
7.	153	+		=	218
8.	189	+		=	360
9.	232	+		=	385
10.	239	+		=	407

Oefening 3
1.	211	+		=	322
2.	221	+		=	421
3.	64	+		=	123
4.	226	+		=	354
5.	224	+		=	408
6.	191	+		=	278
7.	117	+		=	211
8.	225	+		=	426
9.	239	+		=	407
10.	139	+		=	199

Oefening 4
1.	55	+		=	108
2.	137	+		=	212
3.	185	+		=	320
4.	249	+		=	479
5.	204	+		=	386
6.	229	+		=	375
7.	205	+		=	336
8.	76	+		=	145
9.	173	+		=	227
10.	116	+		=	221

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	202	+	83	=	285
2.	166	+	95	=	261
3.	172	+	59	=	231
4.	181	+	69	=	250
5.	205	+	187	=	392
6.	172	+	96	=	268
7.	187	+	122	=	309
8.	158	+	119	=	277
9.	193	+	59	=	252
10.	208	+	157	=	365

Oefening 2
1.	226	+	77	=	303
2.	218	+	215	=	433
3.	163	+	89	=	252
4.	202	+	131	=	333
5.	172	+	153	=	325
6.	197	+	124	=	321
7.	153	+	65	=	218
8.	189	+	171	=	360
9.	232	+	153	=	385
10.	239	+	168	=	407

Oefening 3
1.	211	+	111	=	322
2.	221	+	200	=	421
3.	64	+	59	=	123
4.	226	+	128	=	354
5.	224	+	184	=	408
6.	191	+	87	=	278
7.	117	+	94	=	211
8.	225	+	201	=	426
9.	239	+	168	=	407
10.	139	+	60	=	199

Oefening 4
1.	55	+	53	=	108
2.	137	+	75	=	212
3.	185	+	135	=	320
4.	249	+	230	=	479
5.	204	+	182	=	386
6.	229	+	146	=	375
7.	205	+	131	=	336
8.	76	+	69	=	145
9.	173	+	54	=	227
10.	116	+	105	=	221