Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	243	+		=	359
2.	171	+		=	265
3.	236	+		=	430
4.	235	+		=	465
5.	192	+		=	292
6.	106	+		=	179
7.	217	+		=	359
8.	63	+		=	117
9.	150	+		=	253
10.	146	+		=	280

Oefening 2
1.	209	+		=	285
2.	57	+		=	113
3.	196	+		=	291
4.	239	+		=	410
5.	204	+		=	256
6.	166	+		=	290
7.	209	+		=	402
8.	134	+		=	266
9.	143	+		=	259
10.	237	+		=	379

Oefening 3
1.	248	+		=	481
2.	248	+		=	401
3.	159	+		=	230
4.	172	+		=	238
5.	150	+		=	290
6.	178	+		=	352
7.	218	+		=	305
8.	77	+		=	137
9.	79	+		=	134
10.	190	+		=	282

Oefening 4
1.	175	+		=	247
2.	215	+		=	295
3.	99	+		=	153
4.	147	+		=	282
5.	243	+		=	423
6.	148	+		=	265
7.	168	+		=	223
8.	244	+		=	477
9.	249	+		=	482
10.	147	+		=	213

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	243	+	116	=	359
2.	171	+	94	=	265
3.	236	+	194	=	430
4.	235	+	230	=	465
5.	192	+	100	=	292
6.	106	+	73	=	179
7.	217	+	142	=	359
8.	63	+	54	=	117
9.	150	+	103	=	253
10.	146	+	134	=	280

Oefening 2
1.	209	+	76	=	285
2.	57	+	56	=	113
3.	196	+	95	=	291
4.	239	+	171	=	410
5.	204	+	52	=	256
6.	166	+	124	=	290
7.	209	+	193	=	402
8.	134	+	132	=	266
9.	143	+	116	=	259
10.	237	+	142	=	379

Oefening 3
1.	248	+	233	=	481
2.	248	+	153	=	401
3.	159	+	71	=	230
4.	172	+	66	=	238
5.	150	+	140	=	290
6.	178	+	174	=	352
7.	218	+	87	=	305
8.	77	+	60	=	137
9.	79	+	55	=	134
10.	190	+	92	=	282

Oefening 4
1.	175	+	72	=	247
2.	215	+	80	=	295
3.	99	+	54	=	153
4.	147	+	135	=	282
5.	243	+	180	=	423
6.	148	+	117	=	265
7.	168	+	55	=	223
8.	244	+	233	=	477
9.	249	+	233	=	482
10.	147	+	66	=	213