Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	177	+		=	233
2.	196	+		=	302
3.	61	+		=	121
4.	201	+		=	335
5.	211	+		=	417
6.	249	+		=	442
7.	180	+		=	252
8.	181	+		=	333
9.	73	+		=	125
10.	240	+		=	412

Oefening 2
1.	201	+		=	401
2.	233	+		=	307
3.	222	+		=	427
4.	167	+		=	306
5.	217	+		=	428
6.	160	+		=	287
7.	106	+		=	180
8.	206	+		=	300
9.	219	+		=	416
10.	230	+		=	305

Oefening 3
1.	139	+		=	241
2.	185	+		=	238
3.	214	+		=	347
4.	95	+		=	186
5.	52	+		=	102
6.	222	+		=	344
7.	213	+		=	347
8.	247	+		=	413
9.	216	+		=	381
10.	206	+		=	279

Oefening 4
1.	81	+		=	150
2.	105	+		=	162
3.	192	+		=	279
4.	155	+		=	243
5.	249	+		=	463
6.	177	+		=	261
7.	219	+		=	388
8.	190	+		=	240
9.	114	+		=	188
10.	224	+		=	276

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	177	+	56	=	233
2.	196	+	106	=	302
3.	61	+	60	=	121
4.	201	+	134	=	335
5.	211	+	206	=	417
6.	249	+	193	=	442
7.	180	+	72	=	252
8.	181	+	152	=	333
9.	73	+	52	=	125
10.	240	+	172	=	412

Oefening 2
1.	201	+	200	=	401
2.	233	+	74	=	307
3.	222	+	205	=	427
4.	167	+	139	=	306
5.	217	+	211	=	428
6.	160	+	127	=	287
7.	106	+	74	=	180
8.	206	+	94	=	300
9.	219	+	197	=	416
10.	230	+	75	=	305

Oefening 3
1.	139	+	102	=	241
2.	185	+	53	=	238
3.	214	+	133	=	347
4.	95	+	91	=	186
5.	52	+	50	=	102
6.	222	+	122	=	344
7.	213	+	134	=	347
8.	247	+	166	=	413
9.	216	+	165	=	381
10.	206	+	73	=	279

Oefening 4
1.	81	+	69	=	150
2.	105	+	57	=	162
3.	192	+	87	=	279
4.	155	+	88	=	243
5.	249	+	214	=	463
6.	177	+	84	=	261
7.	219	+	169	=	388
8.	190	+	50	=	240
9.	114	+	74	=	188
10.	224	+	52	=	276