Welk getal ontbreekt t/m 500?

Optellen

Oefening 1
1.	89	+		=	166
2.	174	+		=	321
3.	193	+		=	345
4.	217	+		=	369
5.	239	+		=	387
6.	193	+		=	246
7.	247	+		=	297
8.	116	+		=	227
9.	189	+		=	278
10.	225	+		=	309

Oefening 2
1.	229	+		=	288
2.	138	+		=	275
3.	177	+		=	272
4.	113	+		=	180
5.	180	+		=	292
6.	243	+		=	424
7.	133	+		=	213
8.	238	+		=	295
9.	131	+		=	198
10.	215	+		=	350

Oefening 3
1.	233	+		=	377
2.	196	+		=	262
3.	158	+		=	251
4.	211	+		=	388
5.	165	+		=	272
6.	197	+		=	279
7.	240	+		=	339
8.	170	+		=	246
9.	213	+		=	398
10.	135	+		=	246

Oefening 4
1.	118	+		=	192
2.	244	+		=	356
3.	200	+		=	343
4.	200	+		=	260
5.	162	+		=	305
6.	239	+		=	431
7.	163	+		=	240
8.	85	+		=	155
9.	244	+		=	409
10.	156	+		=	265

Welk getal ontbreekt t/m 500?
| ANTWOORDEN

Optellen

Oefening 1
1.	89	+	77	=	166
2.	174	+	147	=	321
3.	193	+	152	=	345
4.	217	+	152	=	369
5.	239	+	148	=	387
6.	193	+	53	=	246
7.	247	+	50	=	297
8.	116	+	111	=	227
9.	189	+	89	=	278
10.	225	+	84	=	309

Oefening 2
1.	229	+	59	=	288
2.	138	+	137	=	275
3.	177	+	95	=	272
4.	113	+	67	=	180
5.	180	+	112	=	292
6.	243	+	181	=	424
7.	133	+	80	=	213
8.	238	+	57	=	295
9.	131	+	67	=	198
10.	215	+	135	=	350

Oefening 3
1.	233	+	144	=	377
2.	196	+	66	=	262
3.	158	+	93	=	251
4.	211	+	177	=	388
5.	165	+	107	=	272
6.	197	+	82	=	279
7.	240	+	99	=	339
8.	170	+	76	=	246
9.	213	+	185	=	398
10.	135	+	111	=	246

Oefening 4
1.	118	+	74	=	192
2.	244	+	112	=	356
3.	200	+	143	=	343
4.	200	+	60	=	260
5.	162	+	143	=	305
6.	239	+	192	=	431
7.	163	+	77	=	240
8.	85	+	70	=	155
9.	244	+	165	=	409
10.	156	+	109	=	265