Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	180	+		=	308
2.	237	+		=	459
3.	58	+		=	108
4.	248	+		=	365
5.	99	+		=	157
6.	141	+		=	202
7.	111	+		=	204
8.	108	+		=	166
9.	243	+		=	458
10.	219	+		=	392

Oefening 2
1.	156	+		=	303
2.	245	+		=	381
3.	161	+		=	273
4.	194	+		=	305
5.	171	+		=	240
6.	236	+		=	415
7.	221	+		=	407
8.	188	+		=	284
9.	81	+		=	161
10.	167	+		=	302

Oefening 3
1.	243	+		=	315
2.	179	+		=	348
3.	192	+		=	276
4.	152	+		=	225
5.	123	+		=	191
6.	76	+		=	146
7.	143	+		=	209
8.	233	+		=	419
9.	202	+		=	391
10.	208	+		=	278

Oefening 4
1.	137	+		=	273
2.	179	+		=	323
3.	209	+		=	396
4.	244	+		=	373
5.	190	+		=	308
6.	164	+		=	287
7.	173	+		=	237
8.	104	+		=	169
9.	139	+		=	221
10.	129	+		=	251

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	180	+	128	=	308
2.	237	+	222	=	459
3.	58	+	50	=	108
4.	248	+	117	=	365
5.	99	+	58	=	157
6.	141	+	61	=	202
7.	111	+	93	=	204
8.	108	+	58	=	166
9.	243	+	215	=	458
10.	219	+	173	=	392

Oefening 2
1.	156	+	147	=	303
2.	245	+	136	=	381
3.	161	+	112	=	273
4.	194	+	111	=	305
5.	171	+	69	=	240
6.	236	+	179	=	415
7.	221	+	186	=	407
8.	188	+	96	=	284
9.	81	+	80	=	161
10.	167	+	135	=	302

Oefening 3
1.	243	+	72	=	315
2.	179	+	169	=	348
3.	192	+	84	=	276
4.	152	+	73	=	225
5.	123	+	68	=	191
6.	76	+	70	=	146
7.	143	+	66	=	209
8.	233	+	186	=	419
9.	202	+	189	=	391
10.	208	+	70	=	278

Oefening 4
1.	137	+	136	=	273
2.	179	+	144	=	323
3.	209	+	187	=	396
4.	244	+	129	=	373
5.	190	+	118	=	308
6.	164	+	123	=	287
7.	173	+	64	=	237
8.	104	+	65	=	169
9.	139	+	82	=	221
10.	129	+	122	=	251