Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	209	+		=	280
2.	226	+		=	376
3.	156	+		=	229
4.	222	+		=	304
5.	226	+		=	430
6.	188	+		=	239
7.	180	+		=	232
8.	207	+		=	365
9.	139	+		=	261
10.	185	+		=	257

Oefening 2
1.	223	+		=	279
2.	176	+		=	234
3.	206	+		=	301
4.	111	+		=	172
5.	242	+		=	333
6.	233	+		=	461
7.	87	+		=	151
8.	183	+		=	365
9.	145	+		=	258
10.	223	+		=	281

Oefening 3
1.	170	+		=	290
2.	129	+		=	214
3.	163	+		=	307
4.	196	+		=	304
5.	118	+		=	193
6.	243	+		=	428
7.	243	+		=	471
8.	246	+		=	390
9.	149	+		=	211
10.	220	+		=	432

Oefening 4
1.	206	+		=	365
2.	138	+		=	225
3.	198	+		=	386
4.	246	+		=	442
5.	158	+		=	288
6.	164	+		=	229
7.	244	+		=	387
8.	65	+		=	130
9.	84	+		=	166
10.	158	+		=	282

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	209	+	71	=	280
2.	226	+	150	=	376
3.	156	+	73	=	229
4.	222	+	82	=	304
5.	226	+	204	=	430
6.	188	+	51	=	239
7.	180	+	52	=	232
8.	207	+	158	=	365
9.	139	+	122	=	261
10.	185	+	72	=	257

Oefening 2
1.	223	+	56	=	279
2.	176	+	58	=	234
3.	206	+	95	=	301
4.	111	+	61	=	172
5.	242	+	91	=	333
6.	233	+	228	=	461
7.	87	+	64	=	151
8.	183	+	182	=	365
9.	145	+	113	=	258
10.	223	+	58	=	281

Oefening 3
1.	170	+	120	=	290
2.	129	+	85	=	214
3.	163	+	144	=	307
4.	196	+	108	=	304
5.	118	+	75	=	193
6.	243	+	185	=	428
7.	243	+	228	=	471
8.	246	+	144	=	390
9.	149	+	62	=	211
10.	220	+	212	=	432

Oefening 4
1.	206	+	159	=	365
2.	138	+	87	=	225
3.	198	+	188	=	386
4.	246	+	196	=	442
5.	158	+	130	=	288
6.	164	+	65	=	229
7.	244	+	143	=	387
8.	65	+	65	=	130
9.	84	+	82	=	166
10.	158	+	124	=	282