Welk getal ontbreekt t/m 500?

Optellen

Oefening 1
1.	209	+		=	290
2.	143	+		=	240
3.	74	+		=	126
4.	136	+		=	231
5.	120	+		=	233
6.	127	+		=	200
7.	210	+		=	292
8.	171	+		=	238
9.	158	+		=	309
10.	193	+		=	348

Oefening 2
1.	57	+		=	110
2.	172	+		=	329
3.	117	+		=	186
4.	86	+		=	154
5.	193	+		=	257
6.	104	+		=	200
7.	223	+		=	281
8.	226	+		=	432
9.	131	+		=	215
10.	171	+		=	338

Oefening 3
1.	234	+		=	335
2.	165	+		=	237
3.	193	+		=	309
4.	142	+		=	229
5.	107	+		=	171
6.	130	+		=	180
7.	172	+		=	227
8.	157	+		=	254
9.	172	+		=	326
10.	70	+		=	126

Oefening 4
1.	215	+		=	301
2.	209	+		=	416
3.	172	+		=	336
4.	193	+		=	337
5.	232	+		=	295
6.	122	+		=	210
7.	238	+		=	394
8.	194	+		=	268
9.	224	+		=	281
10.	74	+		=	146

Welk getal ontbreekt t/m 500?
| ANTWOORDEN

Optellen

Oefening 1
1.	209	+	81	=	290
2.	143	+	97	=	240
3.	74	+	52	=	126
4.	136	+	95	=	231
5.	120	+	113	=	233
6.	127	+	73	=	200
7.	210	+	82	=	292
8.	171	+	67	=	238
9.	158	+	151	=	309
10.	193	+	155	=	348

Oefening 2
1.	57	+	53	=	110
2.	172	+	157	=	329
3.	117	+	69	=	186
4.	86	+	68	=	154
5.	193	+	64	=	257
6.	104	+	96	=	200
7.	223	+	58	=	281
8.	226	+	206	=	432
9.	131	+	84	=	215
10.	171	+	167	=	338

Oefening 3
1.	234	+	101	=	335
2.	165	+	72	=	237
3.	193	+	116	=	309
4.	142	+	87	=	229
5.	107	+	64	=	171
6.	130	+	50	=	180
7.	172	+	55	=	227
8.	157	+	97	=	254
9.	172	+	154	=	326
10.	70	+	56	=	126

Oefening 4
1.	215	+	86	=	301
2.	209	+	207	=	416
3.	172	+	164	=	336
4.	193	+	144	=	337
5.	232	+	63	=	295
6.	122	+	88	=	210
7.	238	+	156	=	394
8.	194	+	74	=	268
9.	224	+	57	=	281
10.	74	+	72	=	146