Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	172	+		=	341
2.	129	+		=	253
3.	159	+		=	213
4.	119	+		=	203
5.	160	+		=	283
6.	213	+		=	293
7.	201	+		=	337
8.	83	+		=	157
9.	158	+		=	259
10.	243	+		=	315

Oefening 2
1.	250	+		=	438
2.	213	+		=	410
3.	247	+		=	408
4.	155	+		=	293
5.	162	+		=	225
6.	209	+		=	267
7.	161	+		=	286
8.	226	+		=	351
9.	184	+		=	316
10.	205	+		=	334

Oefening 3
1.	250	+		=	314
2.	250	+		=	499
3.	178	+		=	236
4.	175	+		=	304
5.	208	+		=	306
6.	212	+		=	329
7.	151	+		=	270
8.	250	+		=	454
9.	240	+		=	434
10.	249	+		=	470

Oefening 4
1.	191	+		=	371
2.	111	+		=	174
3.	234	+		=	424
4.	167	+		=	269
5.	113	+		=	173
6.	164	+		=	242
7.	192	+		=	290
8.	156	+		=	247
9.	140	+		=	241
10.	158	+		=	291

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	172	+	169	=	341
2.	129	+	124	=	253
3.	159	+	54	=	213
4.	119	+	84	=	203
5.	160	+	123	=	283
6.	213	+	80	=	293
7.	201	+	136	=	337
8.	83	+	74	=	157
9.	158	+	101	=	259
10.	243	+	72	=	315

Oefening 2
1.	250	+	188	=	438
2.	213	+	197	=	410
3.	247	+	161	=	408
4.	155	+	138	=	293
5.	162	+	63	=	225
6.	209	+	58	=	267
7.	161	+	125	=	286
8.	226	+	125	=	351
9.	184	+	132	=	316
10.	205	+	129	=	334

Oefening 3
1.	250	+	64	=	314
2.	250	+	249	=	499
3.	178	+	58	=	236
4.	175	+	129	=	304
5.	208	+	98	=	306
6.	212	+	117	=	329
7.	151	+	119	=	270
8.	250	+	204	=	454
9.	240	+	194	=	434
10.	249	+	221	=	470

Oefening 4
1.	191	+	180	=	371
2.	111	+	63	=	174
3.	234	+	190	=	424
4.	167	+	102	=	269
5.	113	+	60	=	173
6.	164	+	78	=	242
7.	192	+	98	=	290
8.	156	+	91	=	247
9.	140	+	101	=	241
10.	158	+	133	=	291