Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	141	+		=	211
2.	191	+		=	292
3.	84	+		=	136
4.	189	+		=	370
5.	238	+		=	376
6.	250	+		=	301
7.	86	+		=	163
8.	201	+		=	268
9.	70	+		=	124
10.	124	+		=	210

Oefening 2
1.	77	+		=	134
2.	221	+		=	272
3.	240	+		=	363
4.	248	+		=	323
5.	209	+		=	352
6.	143	+		=	275
7.	105	+		=	164
8.	205	+		=	255
9.	217	+		=	322
10.	159	+		=	259

Oefening 3
1.	188	+		=	333
2.	164	+		=	239
3.	69	+		=	132
4.	142	+		=	240
5.	239	+		=	377
6.	183	+		=	254
7.	224	+		=	415
8.	175	+		=	304
9.	229	+		=	395
10.	63	+		=	121

Oefening 4
1.	217	+		=	361
2.	235	+		=	305
3.	79	+		=	144
4.	228	+		=	450
5.	248	+		=	458
6.	143	+		=	275
7.	220	+		=	285
8.	138	+		=	213
9.	171	+		=	302
10.	214	+		=	309

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	141	+	70	=	211
2.	191	+	101	=	292
3.	84	+	52	=	136
4.	189	+	181	=	370
5.	238	+	138	=	376
6.	250	+	51	=	301
7.	86	+	77	=	163
8.	201	+	67	=	268
9.	70	+	54	=	124
10.	124	+	86	=	210

Oefening 2
1.	77	+	57	=	134
2.	221	+	51	=	272
3.	240	+	123	=	363
4.	248	+	75	=	323
5.	209	+	143	=	352
6.	143	+	132	=	275
7.	105	+	59	=	164
8.	205	+	50	=	255
9.	217	+	105	=	322
10.	159	+	100	=	259

Oefening 3
1.	188	+	145	=	333
2.	164	+	75	=	239
3.	69	+	63	=	132
4.	142	+	98	=	240
5.	239	+	138	=	377
6.	183	+	71	=	254
7.	224	+	191	=	415
8.	175	+	129	=	304
9.	229	+	166	=	395
10.	63	+	58	=	121

Oefening 4
1.	217	+	144	=	361
2.	235	+	70	=	305
3.	79	+	65	=	144
4.	228	+	222	=	450
5.	248	+	210	=	458
6.	143	+	132	=	275
7.	220	+	65	=	285
8.	138	+	75	=	213
9.	171	+	131	=	302
10.	214	+	95	=	309