Welk getal ontbreekt t/m 500?

Optellen

Oefening 1
1.	248	+		=	495
2.	198	+		=	274
3.	236	+		=	313
4.	235	+		=	285
5.	215	+		=	395
6.	168	+		=	255
7.	168	+		=	303
8.	164	+		=	283
9.	246	+		=	420
10.	202	+		=	264

Oefening 2
1.	203	+		=	340
2.	173	+		=	317
3.	224	+		=	407
4.	165	+		=	263
5.	179	+		=	269
6.	123	+		=	238
7.	214	+		=	391
8.	244	+		=	323
9.	234	+		=	297
10.	133	+		=	225

Oefening 3
1.	137	+		=	233
2.	223	+		=	308
3.	200	+		=	388
4.	221	+		=	314
5.	195	+		=	332
6.	152	+		=	234
7.	226	+		=	298
8.	109	+		=	217
9.	213	+		=	420
10.	92	+		=	150

Oefening 4
1.	196	+		=	383
2.	174	+		=	313
3.	244	+		=	405
4.	146	+		=	252
5.	99	+		=	190
6.	242	+		=	398
7.	232	+		=	331
8.	148	+		=	243
9.	148	+		=	267
10.	218	+		=	328

Welk getal ontbreekt t/m 500?
| ANTWOORDEN

Optellen

Oefening 1
1.	248	+	247	=	495
2.	198	+	76	=	274
3.	236	+	77	=	313
4.	235	+	50	=	285
5.	215	+	180	=	395
6.	168	+	87	=	255
7.	168	+	135	=	303
8.	164	+	119	=	283
9.	246	+	174	=	420
10.	202	+	62	=	264

Oefening 2
1.	203	+	137	=	340
2.	173	+	144	=	317
3.	224	+	183	=	407
4.	165	+	98	=	263
5.	179	+	90	=	269
6.	123	+	115	=	238
7.	214	+	177	=	391
8.	244	+	79	=	323
9.	234	+	63	=	297
10.	133	+	92	=	225

Oefening 3
1.	137	+	96	=	233
2.	223	+	85	=	308
3.	200	+	188	=	388
4.	221	+	93	=	314
5.	195	+	137	=	332
6.	152	+	82	=	234
7.	226	+	72	=	298
8.	109	+	108	=	217
9.	213	+	207	=	420
10.	92	+	58	=	150

Oefening 4
1.	196	+	187	=	383
2.	174	+	139	=	313
3.	244	+	161	=	405
4.	146	+	106	=	252
5.	99	+	91	=	190
6.	242	+	156	=	398
7.	232	+	99	=	331
8.	148	+	95	=	243
9.	148	+	119	=	267
10.	218	+	110	=	328