Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	190	+		=	311
2.	218	+		=	359
3.	177	+		=	299
4.	234	+		=	337
5.	94	+		=	187
6.	241	+		=	440
7.	58	+		=	112
8.	241	+		=	443
9.	203	+		=	309
10.	165	+		=	329

Oefening 2
1.	112	+		=	203
2.	246	+		=	305
3.	246	+		=	458
4.	64	+		=	118
5.	139	+		=	229
6.	215	+		=	359
7.	193	+		=	322
8.	248	+		=	405
9.	136	+		=	201
10.	242	+		=	381

Oefening 3
1.	186	+		=	360
2.	195	+		=	366
3.	250	+		=	429
4.	151	+		=	291
5.	242	+		=	328
6.	181	+		=	311
7.	160	+		=	309
8.	172	+		=	310
9.	109	+		=	203
10.	57	+		=	108

Oefening 4
1.	243	+		=	405
2.	223	+		=	389
3.	202	+		=	375
4.	150	+		=	275
5.	204	+		=	386
6.	239	+		=	338
7.	189	+		=	361
8.	172	+		=	252
9.	172	+		=	295
10.	105	+		=	166

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	190	+	121	=	311
2.	218	+	141	=	359
3.	177	+	122	=	299
4.	234	+	103	=	337
5.	94	+	93	=	187
6.	241	+	199	=	440
7.	58	+	54	=	112
8.	241	+	202	=	443
9.	203	+	106	=	309
10.	165	+	164	=	329

Oefening 2
1.	112	+	91	=	203
2.	246	+	59	=	305
3.	246	+	212	=	458
4.	64	+	54	=	118
5.	139	+	90	=	229
6.	215	+	144	=	359
7.	193	+	129	=	322
8.	248	+	157	=	405
9.	136	+	65	=	201
10.	242	+	139	=	381

Oefening 3
1.	186	+	174	=	360
2.	195	+	171	=	366
3.	250	+	179	=	429
4.	151	+	140	=	291
5.	242	+	86	=	328
6.	181	+	130	=	311
7.	160	+	149	=	309
8.	172	+	138	=	310
9.	109	+	94	=	203
10.	57	+	51	=	108

Oefening 4
1.	243	+	162	=	405
2.	223	+	166	=	389
3.	202	+	173	=	375
4.	150	+	125	=	275
5.	204	+	182	=	386
6.	239	+	99	=	338
7.	189	+	172	=	361
8.	172	+	80	=	252
9.	172	+	123	=	295
10.	105	+	61	=	166