Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	241	+		=	477
2.	242	+		=	417
3.	244	+		=	419
4.	88	+		=	167
5.	243	+		=	359
6.	212	+		=	270
7.	80	+		=	144
8.	214	+		=	282
9.	77	+		=	144
10.	211	+		=	372

Oefening 2
1.	231	+		=	352
2.	199	+		=	369
3.	226	+		=	373
4.	92	+		=	160
5.	152	+		=	303
6.	186	+		=	240
7.	177	+		=	267
8.	244	+		=	473
9.	77	+		=	147
10.	121	+		=	208

Oefening 3
1.	221	+		=	343
2.	113	+		=	170
3.	245	+		=	321
4.	218	+		=	339
5.	208	+		=	320
6.	248	+		=	418
7.	249	+		=	467
8.	240	+		=	409
9.	231	+		=	281
10.	72	+		=	127

Oefening 4
1.	232	+		=	314
2.	232	+		=	328
3.	232	+		=	301
4.	152	+		=	214
5.	180	+		=	282
6.	130	+		=	220
7.	206	+		=	375
8.	187	+		=	279
9.	247	+		=	371
10.	221	+		=	442

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	241	+	236	=	477
2.	242	+	175	=	417
3.	244	+	175	=	419
4.	88	+	79	=	167
5.	243	+	116	=	359
6.	212	+	58	=	270
7.	80	+	64	=	144
8.	214	+	68	=	282
9.	77	+	67	=	144
10.	211	+	161	=	372

Oefening 2
1.	231	+	121	=	352
2.	199	+	170	=	369
3.	226	+	147	=	373
4.	92	+	68	=	160
5.	152	+	151	=	303
6.	186	+	54	=	240
7.	177	+	90	=	267
8.	244	+	229	=	473
9.	77	+	70	=	147
10.	121	+	87	=	208

Oefening 3
1.	221	+	122	=	343
2.	113	+	57	=	170
3.	245	+	76	=	321
4.	218	+	121	=	339
5.	208	+	112	=	320
6.	248	+	170	=	418
7.	249	+	218	=	467
8.	240	+	169	=	409
9.	231	+	50	=	281
10.	72	+	55	=	127

Oefening 4
1.	232	+	82	=	314
2.	232	+	96	=	328
3.	232	+	69	=	301
4.	152	+	62	=	214
5.	180	+	102	=	282
6.	130	+	90	=	220
7.	206	+	169	=	375
8.	187	+	92	=	279
9.	247	+	124	=	371
10.	221	+	221	=	442