Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	161	+		=	286
2.	157	+		=	290
3.	178	+		=	253
4.	250	+		=	387
5.	217	+		=	350
6.	162	+		=	303
7.	246	+		=	303
8.	210	+		=	286
9.	91	+		=	148
10.	96	+		=	169

Oefening 2
1.	163	+		=	252
2.	183	+		=	321
3.	164	+		=	226
4.	108	+		=	194
5.	206	+		=	337
6.	123	+		=	177
7.	129	+		=	229
8.	129	+		=	198
9.	245	+		=	489
10.	145	+		=	267

Oefening 3
1.	247	+		=	447
2.	247	+		=	309
3.	179	+		=	239
4.	174	+		=	275
5.	77	+		=	144
6.	232	+		=	283
7.	215	+		=	284
8.	231	+		=	401
9.	245	+		=	386
10.	213	+		=	363

Oefening 4
1.	196	+		=	324
2.	172	+		=	298
3.	128	+		=	186
4.	111	+		=	164
5.	77	+		=	154
6.	221	+		=	349
7.	244	+		=	466
8.	244	+		=	357
9.	139	+		=	258
10.	203	+		=	280

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	161	+	125	=	286
2.	157	+	133	=	290
3.	178	+	75	=	253
4.	250	+	137	=	387
5.	217	+	133	=	350
6.	162	+	141	=	303
7.	246	+	57	=	303
8.	210	+	76	=	286
9.	91	+	57	=	148
10.	96	+	73	=	169

Oefening 2
1.	163	+	89	=	252
2.	183	+	138	=	321
3.	164	+	62	=	226
4.	108	+	86	=	194
5.	206	+	131	=	337
6.	123	+	54	=	177
7.	129	+	100	=	229
8.	129	+	69	=	198
9.	245	+	244	=	489
10.	145	+	122	=	267

Oefening 3
1.	247	+	200	=	447
2.	247	+	62	=	309
3.	179	+	60	=	239
4.	174	+	101	=	275
5.	77	+	67	=	144
6.	232	+	51	=	283
7.	215	+	69	=	284
8.	231	+	170	=	401
9.	245	+	141	=	386
10.	213	+	150	=	363

Oefening 4
1.	196	+	128	=	324
2.	172	+	126	=	298
3.	128	+	58	=	186
4.	111	+	53	=	164
5.	77	+	77	=	154
6.	221	+	128	=	349
7.	244	+	222	=	466
8.	244	+	113	=	357
9.	139	+	119	=	258
10.	203	+	77	=	280