Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	126	+		=	200
2.	150	+		=	254
3.	163	+		=	316
4.	141	+		=	277
5.	196	+		=	341
6.	128	+		=	231
7.	58	+		=	115
8.	161	+		=	303
9.	241	+		=	326
10.	239	+		=	390

Oefening 2
1.	152	+		=	302
2.	212	+		=	288
3.	196	+		=	261
4.	120	+		=	228
5.	126	+		=	195
6.	243	+		=	382
7.	91	+		=	172
8.	225	+		=	449
9.	147	+		=	250
10.	141	+		=	261

Oefening 3
1.	179	+		=	318
2.	231	+		=	303
3.	197	+		=	249
4.	160	+		=	276
5.	240	+		=	444
6.	136	+		=	196
7.	128	+		=	210
8.	237	+		=	311
9.	200	+		=	366
10.	221	+		=	276

Oefening 4
1.	184	+		=	318
2.	208	+		=	366
3.	237	+		=	398
4.	173	+		=	225
5.	210	+		=	369
6.	119	+		=	229
7.	162	+		=	296
8.	247	+		=	327
9.	129	+		=	227
10.	209	+		=	344

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	126	+	74	=	200
2.	150	+	104	=	254
3.	163	+	153	=	316
4.	141	+	136	=	277
5.	196	+	145	=	341
6.	128	+	103	=	231
7.	58	+	57	=	115
8.	161	+	142	=	303
9.	241	+	85	=	326
10.	239	+	151	=	390

Oefening 2
1.	152	+	150	=	302
2.	212	+	76	=	288
3.	196	+	65	=	261
4.	120	+	108	=	228
5.	126	+	69	=	195
6.	243	+	139	=	382
7.	91	+	81	=	172
8.	225	+	224	=	449
9.	147	+	103	=	250
10.	141	+	120	=	261

Oefening 3
1.	179	+	139	=	318
2.	231	+	72	=	303
3.	197	+	52	=	249
4.	160	+	116	=	276
5.	240	+	204	=	444
6.	136	+	60	=	196
7.	128	+	82	=	210
8.	237	+	74	=	311
9.	200	+	166	=	366
10.	221	+	55	=	276

Oefening 4
1.	184	+	134	=	318
2.	208	+	158	=	366
3.	237	+	161	=	398
4.	173	+	52	=	225
5.	210	+	159	=	369
6.	119	+	110	=	229
7.	162	+	134	=	296
8.	247	+	80	=	327
9.	129	+	98	=	227
10.	209	+	135	=	344