Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	233	+		=	355
2.	231	+		=	460
3.	192	+		=	381
4.	113	+		=	194
5.	217	+		=	300
6.	154	+		=	234
7.	127	+		=	252
8.	116	+		=	198
9.	166	+		=	308
10.	179	+		=	265

Oefening 2
1.	244	+		=	459
2.	211	+		=	362
3.	228	+		=	406
4.	123	+		=	201
5.	150	+		=	243
6.	222	+		=	310
7.	228	+		=	351
8.	248	+		=	436
9.	237	+		=	462
10.	99	+		=	180

Oefening 3
1.	249	+		=	428
2.	157	+		=	289
3.	96	+		=	153
4.	150	+		=	254
5.	139	+		=	238
6.	148	+		=	256
7.	142	+		=	258
8.	217	+		=	286
9.	238	+		=	364
10.	240	+		=	291

Oefening 4
1.	243	+		=	389
2.	236	+		=	403
3.	72	+		=	142
4.	248	+		=	385
5.	181	+		=	309
6.	246	+		=	371
7.	244	+		=	468
8.	229	+		=	343
9.	150	+		=	249
10.	106	+		=	164

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	233	+	122	=	355
2.	231	+	229	=	460
3.	192	+	189	=	381
4.	113	+	81	=	194
5.	217	+	83	=	300
6.	154	+	80	=	234
7.	127	+	125	=	252
8.	116	+	82	=	198
9.	166	+	142	=	308
10.	179	+	86	=	265

Oefening 2
1.	244	+	215	=	459
2.	211	+	151	=	362
3.	228	+	178	=	406
4.	123	+	78	=	201
5.	150	+	93	=	243
6.	222	+	88	=	310
7.	228	+	123	=	351
8.	248	+	188	=	436
9.	237	+	225	=	462
10.	99	+	81	=	180

Oefening 3
1.	249	+	179	=	428
2.	157	+	132	=	289
3.	96	+	57	=	153
4.	150	+	104	=	254
5.	139	+	99	=	238
6.	148	+	108	=	256
7.	142	+	116	=	258
8.	217	+	69	=	286
9.	238	+	126	=	364
10.	240	+	51	=	291

Oefening 4
1.	243	+	146	=	389
2.	236	+	167	=	403
3.	72	+	70	=	142
4.	248	+	137	=	385
5.	181	+	128	=	309
6.	246	+	125	=	371
7.	244	+	224	=	468
8.	229	+	114	=	343
9.	150	+	99	=	249
10.	106	+	58	=	164