Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	232	+		=	412
2.	128	+		=	178
3.	165	+		=	326
4.	121	+		=	229
5.	118	+		=	169
6.	246	+		=	309
7.	182	+		=	352
8.	140	+		=	234
9.	238	+		=	339
10.	149	+		=	240

Oefening 2
1.	189	+		=	248
2.	219	+		=	335
3.	224	+		=	381
4.	173	+		=	302
5.	112	+		=	180
6.	149	+		=	225
7.	227	+		=	366
8.	228	+		=	380
9.	110	+		=	192
10.	200	+		=	339

Oefening 3
1.	90	+		=	142
2.	166	+		=	326
3.	242	+		=	405
4.	73	+		=	130
5.	147	+		=	261
6.	182	+		=	340
7.	234	+		=	408
8.	79	+		=	139
9.	112	+		=	211
10.	242	+		=	408

Oefening 4
1.	174	+		=	235
2.	182	+		=	269
3.	170	+		=	240
4.	241	+		=	472
5.	238	+		=	405
6.	221	+		=	306
7.	167	+		=	311
8.	244	+		=	332
9.	242	+		=	476
10.	179	+		=	310

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	232	+	180	=	412
2.	128	+	50	=	178
3.	165	+	161	=	326
4.	121	+	108	=	229
5.	118	+	51	=	169
6.	246	+	63	=	309
7.	182	+	170	=	352
8.	140	+	94	=	234
9.	238	+	101	=	339
10.	149	+	91	=	240

Oefening 2
1.	189	+	59	=	248
2.	219	+	116	=	335
3.	224	+	157	=	381
4.	173	+	129	=	302
5.	112	+	68	=	180
6.	149	+	76	=	225
7.	227	+	139	=	366
8.	228	+	152	=	380
9.	110	+	82	=	192
10.	200	+	139	=	339

Oefening 3
1.	90	+	52	=	142
2.	166	+	160	=	326
3.	242	+	163	=	405
4.	73	+	57	=	130
5.	147	+	114	=	261
6.	182	+	158	=	340
7.	234	+	174	=	408
8.	79	+	60	=	139
9.	112	+	99	=	211
10.	242	+	166	=	408

Oefening 4
1.	174	+	61	=	235
2.	182	+	87	=	269
3.	170	+	70	=	240
4.	241	+	231	=	472
5.	238	+	167	=	405
6.	221	+	85	=	306
7.	167	+	144	=	311
8.	244	+	88	=	332
9.	242	+	234	=	476
10.	179	+	131	=	310