Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	219	+		=	406
2.	148	+		=	207
3.	88	+		=	138
4.	201	+		=	323
5.	224	+		=	332
6.	167	+		=	276
7.	156	+		=	220
8.	244	+		=	315
9.	189	+		=	304
10.	168	+		=	293

Oefening 2
1.	186	+		=	254
2.	156	+		=	304
3.	168	+		=	234
4.	117	+		=	204
5.	118	+		=	223
6.	131	+		=	252
7.	104	+		=	179
8.	244	+		=	350
9.	168	+		=	324
10.	155	+		=	245

Oefening 3
1.	199	+		=	322
2.	232	+		=	330
3.	168	+		=	279
4.	245	+		=	461
5.	247	+		=	369
6.	89	+		=	154
7.	209	+		=	297
8.	215	+		=	291
9.	203	+		=	398
10.	141	+		=	212

Oefening 4
1.	157	+		=	218
2.	195	+		=	319
3.	230	+		=	427
4.	71	+		=	136
5.	164	+		=	320
6.	150	+		=	298
7.	163	+		=	247
8.	166	+		=	317
9.	110	+		=	172
10.	176	+		=	320

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	219	+	187	=	406
2.	148	+	59	=	207
3.	88	+	50	=	138
4.	201	+	122	=	323
5.	224	+	108	=	332
6.	167	+	109	=	276
7.	156	+	64	=	220
8.	244	+	71	=	315
9.	189	+	115	=	304
10.	168	+	125	=	293

Oefening 2
1.	186	+	68	=	254
2.	156	+	148	=	304
3.	168	+	66	=	234
4.	117	+	87	=	204
5.	118	+	105	=	223
6.	131	+	121	=	252
7.	104	+	75	=	179
8.	244	+	106	=	350
9.	168	+	156	=	324
10.	155	+	90	=	245

Oefening 3
1.	199	+	123	=	322
2.	232	+	98	=	330
3.	168	+	111	=	279
4.	245	+	216	=	461
5.	247	+	122	=	369
6.	89	+	65	=	154
7.	209	+	88	=	297
8.	215	+	76	=	291
9.	203	+	195	=	398
10.	141	+	71	=	212

Oefening 4
1.	157	+	61	=	218
2.	195	+	124	=	319
3.	230	+	197	=	427
4.	71	+	65	=	136
5.	164	+	156	=	320
6.	150	+	148	=	298
7.	163	+	84	=	247
8.	166	+	151	=	317
9.	110	+	62	=	172
10.	176	+	144	=	320