Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	82	+		=	144
2.	148	+		=	288
3.	176	+		=	309
4.	150	+		=	279
5.	247	+		=	468
6.	191	+		=	262
7.	197	+		=	281
8.	215	+		=	354
9.	65	+		=	117
10.	180	+		=	294

Oefening 2
1.	160	+		=	218
2.	158	+		=	222
3.	168	+		=	336
4.	210	+		=	406
5.	100	+		=	190
6.	225	+		=	422
7.	212	+		=	320
8.	182	+		=	337
9.	210	+		=	401
10.	168	+		=	269

Oefening 3
1.	191	+		=	325
2.	227	+		=	448
3.	234	+		=	328
4.	104	+		=	178
5.	185	+		=	293
6.	232	+		=	360
7.	249	+		=	310
8.	189	+		=	277
9.	102	+		=	175
10.	207	+		=	365

Oefening 4
1.	198	+		=	351
2.	248	+		=	485
3.	148	+		=	228
4.	243	+		=	451
5.	173	+		=	285
6.	217	+		=	291
7.	243	+		=	400
8.	244	+		=	383
9.	199	+		=	306
10.	139	+		=	266

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	82	+	62	=	144
2.	148	+	140	=	288
3.	176	+	133	=	309
4.	150	+	129	=	279
5.	247	+	221	=	468
6.	191	+	71	=	262
7.	197	+	84	=	281
8.	215	+	139	=	354
9.	65	+	52	=	117
10.	180	+	114	=	294

Oefening 2
1.	160	+	58	=	218
2.	158	+	64	=	222
3.	168	+	168	=	336
4.	210	+	196	=	406
5.	100	+	90	=	190
6.	225	+	197	=	422
7.	212	+	108	=	320
8.	182	+	155	=	337
9.	210	+	191	=	401
10.	168	+	101	=	269

Oefening 3
1.	191	+	134	=	325
2.	227	+	221	=	448
3.	234	+	94	=	328
4.	104	+	74	=	178
5.	185	+	108	=	293
6.	232	+	128	=	360
7.	249	+	61	=	310
8.	189	+	88	=	277
9.	102	+	73	=	175
10.	207	+	158	=	365

Oefening 4
1.	198	+	153	=	351
2.	248	+	237	=	485
3.	148	+	80	=	228
4.	243	+	208	=	451
5.	173	+	112	=	285
6.	217	+	74	=	291
7.	243	+	157	=	400
8.	244	+	139	=	383
9.	199	+	107	=	306
10.	139	+	127	=	266