Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	209	+		=	342
2.	239	+		=	449
3.	177	+		=	327
4.	103	+		=	201
5.	173	+		=	252
6.	141	+		=	231
7.	142	+		=	226
8.	218	+		=	373
9.	214	+		=	389
10.	168	+		=	245

Oefening 2
1.	144	+		=	286
2.	200	+		=	250
3.	200	+		=	332
4.	237	+		=	397
5.	230	+		=	311
6.	184	+		=	318
7.	223	+		=	369
8.	220	+		=	357
9.	246	+		=	486
10.	237	+		=	425

Oefening 3
1.	228	+		=	321
2.	235	+		=	329
3.	167	+		=	279
4.	178	+		=	342
5.	117	+		=	218
6.	152	+		=	239
7.	124	+		=	233
8.	240	+		=	336
9.	236	+		=	313
10.	146	+		=	232

Oefening 4
1.	126	+		=	238
2.	178	+		=	263
3.	167	+		=	308
4.	233	+		=	435
5.	213	+		=	419
6.	216	+		=	386
7.	164	+		=	260
8.	229	+		=	357
9.	165	+		=	285
10.	181	+		=	327

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	209	+	133	=	342
2.	239	+	210	=	449
3.	177	+	150	=	327
4.	103	+	98	=	201
5.	173	+	79	=	252
6.	141	+	90	=	231
7.	142	+	84	=	226
8.	218	+	155	=	373
9.	214	+	175	=	389
10.	168	+	77	=	245

Oefening 2
1.	144	+	142	=	286
2.	200	+	50	=	250
3.	200	+	132	=	332
4.	237	+	160	=	397
5.	230	+	81	=	311
6.	184	+	134	=	318
7.	223	+	146	=	369
8.	220	+	137	=	357
9.	246	+	240	=	486
10.	237	+	188	=	425

Oefening 3
1.	228	+	93	=	321
2.	235	+	94	=	329
3.	167	+	112	=	279
4.	178	+	164	=	342
5.	117	+	101	=	218
6.	152	+	87	=	239
7.	124	+	109	=	233
8.	240	+	96	=	336
9.	236	+	77	=	313
10.	146	+	86	=	232

Oefening 4
1.	126	+	112	=	238
2.	178	+	85	=	263
3.	167	+	141	=	308
4.	233	+	202	=	435
5.	213	+	206	=	419
6.	216	+	170	=	386
7.	164	+	96	=	260
8.	229	+	128	=	357
9.	165	+	120	=	285
10.	181	+	146	=	327