Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	250	+		=	422
2.	200	+		=	314
3.	235	+		=	435
4.	121	+		=	195
5.	145	+		=	245
6.	235	+		=	390
7.	164	+		=	277
8.	239	+		=	385
9.	138	+		=	275
10.	135	+		=	261

Oefening 2
1.	152	+		=	279
2.	61	+		=	112
3.	223	+		=	429
4.	105	+		=	155
5.	210	+		=	327
6.	142	+		=	264
7.	207	+		=	379
8.	204	+		=	356
9.	240	+		=	440
10.	158	+		=	266

Oefening 3
1.	149	+		=	230
2.	208	+		=	386
3.	240	+		=	300
4.	173	+		=	236
5.	177	+		=	305
6.	248	+		=	304
7.	203	+		=	279
8.	190	+		=	336
9.	175	+		=	232
10.	166	+		=	248

Oefening 4
1.	244	+		=	294
2.	119	+		=	234
3.	241	+		=	422
4.	120	+		=	217
5.	98	+		=	164
6.	215	+		=	294
7.	236	+		=	319
8.	196	+		=	330
9.	126	+		=	238
10.	235	+		=	309

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	250	+	172	=	422
2.	200	+	114	=	314
3.	235	+	200	=	435
4.	121	+	74	=	195
5.	145	+	100	=	245
6.	235	+	155	=	390
7.	164	+	113	=	277
8.	239	+	146	=	385
9.	138	+	137	=	275
10.	135	+	126	=	261

Oefening 2
1.	152	+	127	=	279
2.	61	+	51	=	112
3.	223	+	206	=	429
4.	105	+	50	=	155
5.	210	+	117	=	327
6.	142	+	122	=	264
7.	207	+	172	=	379
8.	204	+	152	=	356
9.	240	+	200	=	440
10.	158	+	108	=	266

Oefening 3
1.	149	+	81	=	230
2.	208	+	178	=	386
3.	240	+	60	=	300
4.	173	+	63	=	236
5.	177	+	128	=	305
6.	248	+	56	=	304
7.	203	+	76	=	279
8.	190	+	146	=	336
9.	175	+	57	=	232
10.	166	+	82	=	248

Oefening 4
1.	244	+	50	=	294
2.	119	+	115	=	234
3.	241	+	181	=	422
4.	120	+	97	=	217
5.	98	+	66	=	164
6.	215	+	79	=	294
7.	236	+	83	=	319
8.	196	+	134	=	330
9.	126	+	112	=	238
10.	235	+	74	=	309