Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	191	+		=	337
2.	244	+		=	411
3.	194	+		=	320
4.	224	+		=	328
5.	168	+		=	224
6.	127	+		=	214
7.	209	+		=	279
8.	114	+		=	198
9.	231	+		=	298
10.	193	+		=	305

Oefening 2
1.	228	+		=	354
2.	150	+		=	212
3.	109	+		=	165
4.	227	+		=	301
5.	204	+		=	335
6.	170	+		=	298
7.	117	+		=	171
8.	216	+		=	326
9.	238	+		=	315
10.	229	+		=	288

Oefening 3
1.	221	+		=	399
2.	205	+		=	320
3.	203	+		=	346
4.	146	+		=	282
5.	221	+		=	401
6.	171	+		=	283
7.	242	+		=	463
8.	242	+		=	440
9.	100	+		=	157
10.	216	+		=	410

Oefening 4
1.	211	+		=	323
2.	172	+		=	305
3.	169	+		=	273
4.	233	+		=	460
5.	159	+		=	308
6.	221	+		=	389
7.	239	+		=	292
8.	244	+		=	443
9.	235	+		=	417
10.	83	+		=	161

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	191	+	146	=	337
2.	244	+	167	=	411
3.	194	+	126	=	320
4.	224	+	104	=	328
5.	168	+	56	=	224
6.	127	+	87	=	214
7.	209	+	70	=	279
8.	114	+	84	=	198
9.	231	+	67	=	298
10.	193	+	112	=	305

Oefening 2
1.	228	+	126	=	354
2.	150	+	62	=	212
3.	109	+	56	=	165
4.	227	+	74	=	301
5.	204	+	131	=	335
6.	170	+	128	=	298
7.	117	+	54	=	171
8.	216	+	110	=	326
9.	238	+	77	=	315
10.	229	+	59	=	288

Oefening 3
1.	221	+	178	=	399
2.	205	+	115	=	320
3.	203	+	143	=	346
4.	146	+	136	=	282
5.	221	+	180	=	401
6.	171	+	112	=	283
7.	242	+	221	=	463
8.	242	+	198	=	440
9.	100	+	57	=	157
10.	216	+	194	=	410

Oefening 4
1.	211	+	112	=	323
2.	172	+	133	=	305
3.	169	+	104	=	273
4.	233	+	227	=	460
5.	159	+	149	=	308
6.	221	+	168	=	389
7.	239	+	53	=	292
8.	244	+	199	=	443
9.	235	+	182	=	417
10.	83	+	78	=	161