Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	164	+		=	312
2.	177	+		=	318
3.	136	+		=	218
4.	237	+		=	319
5.	221	+		=	308
6.	181	+		=	320
7.	201	+		=	257
8.	79	+		=	139
9.	108	+		=	190
10.	232	+		=	429

Oefening 2
1.	147	+		=	286
2.	229	+		=	344
3.	112	+		=	180
4.	149	+		=	266
5.	205	+		=	256
6.	188	+		=	283
7.	133	+		=	236
8.	148	+		=	223
9.	61	+		=	113
10.	241	+		=	356

Oefening 3
1.	204	+		=	292
2.	159	+		=	280
3.	196	+		=	248
4.	181	+		=	277
5.	224	+		=	334
6.	207	+		=	316
7.	132	+		=	243
8.	148	+		=	231
9.	224	+		=	425
10.	191	+		=	307

Oefening 4
1.	233	+		=	417
2.	170	+		=	338
3.	120	+		=	223
4.	73	+		=	128
5.	84	+		=	163
6.	244	+		=	478
7.	162	+		=	213
8.	152	+		=	256
9.	217	+		=	348
10.	250	+		=	486

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	164	+	148	=	312
2.	177	+	141	=	318
3.	136	+	82	=	218
4.	237	+	82	=	319
5.	221	+	87	=	308
6.	181	+	139	=	320
7.	201	+	56	=	257
8.	79	+	60	=	139
9.	108	+	82	=	190
10.	232	+	197	=	429

Oefening 2
1.	147	+	139	=	286
2.	229	+	115	=	344
3.	112	+	68	=	180
4.	149	+	117	=	266
5.	205	+	51	=	256
6.	188	+	95	=	283
7.	133	+	103	=	236
8.	148	+	75	=	223
9.	61	+	52	=	113
10.	241	+	115	=	356

Oefening 3
1.	204	+	88	=	292
2.	159	+	121	=	280
3.	196	+	52	=	248
4.	181	+	96	=	277
5.	224	+	110	=	334
6.	207	+	109	=	316
7.	132	+	111	=	243
8.	148	+	83	=	231
9.	224	+	201	=	425
10.	191	+	116	=	307

Oefening 4
1.	233	+	184	=	417
2.	170	+	168	=	338
3.	120	+	103	=	223
4.	73	+	55	=	128
5.	84	+	79	=	163
6.	244	+	234	=	478
7.	162	+	51	=	213
8.	152	+	104	=	256
9.	217	+	131	=	348
10.	250	+	236	=	486