Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	201	+		=	345
2.	202	+		=	345
3.	120	+		=	200
4.	248	+		=	460
5.	204	+		=	353
6.	170	+		=	249
7.	110	+		=	166
8.	235	+		=	287
9.	175	+		=	334
10.	152	+		=	256

Oefening 2
1.	137	+		=	241
2.	59	+		=	118
3.	172	+		=	240
4.	213	+		=	267
5.	126	+		=	234
6.	216	+		=	369
7.	113	+		=	170
8.	233	+		=	338
9.	243	+		=	387
10.	83	+		=	159

Oefening 3
1.	181	+		=	239
2.	183	+		=	326
3.	249	+		=	480
4.	208	+		=	402
5.	226	+		=	374
6.	201	+		=	374
7.	100	+		=	170
8.	215	+		=	316
9.	208	+		=	362
10.	202	+		=	274

Oefening 4
1.	87	+		=	153
2.	192	+		=	266
3.	246	+		=	353
4.	112	+		=	189
5.	249	+		=	430
6.	141	+		=	230
7.	223	+		=	435
8.	210	+		=	343
9.	187	+		=	368
10.	151	+		=	276

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	201	+	144	=	345
2.	202	+	143	=	345
3.	120	+	80	=	200
4.	248	+	212	=	460
5.	204	+	149	=	353
6.	170	+	79	=	249
7.	110	+	56	=	166
8.	235	+	52	=	287
9.	175	+	159	=	334
10.	152	+	104	=	256

Oefening 2
1.	137	+	104	=	241
2.	59	+	59	=	118
3.	172	+	68	=	240
4.	213	+	54	=	267
5.	126	+	108	=	234
6.	216	+	153	=	369
7.	113	+	57	=	170
8.	233	+	105	=	338
9.	243	+	144	=	387
10.	83	+	76	=	159

Oefening 3
1.	181	+	58	=	239
2.	183	+	143	=	326
3.	249	+	231	=	480
4.	208	+	194	=	402
5.	226	+	148	=	374
6.	201	+	173	=	374
7.	100	+	70	=	170
8.	215	+	101	=	316
9.	208	+	154	=	362
10.	202	+	72	=	274

Oefening 4
1.	87	+	66	=	153
2.	192	+	74	=	266
3.	246	+	107	=	353
4.	112	+	77	=	189
5.	249	+	181	=	430
6.	141	+	89	=	230
7.	223	+	212	=	435
8.	210	+	133	=	343
9.	187	+	181	=	368
10.	151	+	125	=	276