Welk getal ontbreekt t/m 1.000?

Optellen

Oefening 1
1.	400	+		=	639
2.	121	+		=	221
3.	481	+		=	890
4.	474	+		=	763
5.	447	+		=	621
6.	473	+		=	852
7.	212	+		=	368
8.	253	+		=	389
9.	479	+		=	702
10.	245	+		=	395

Oefening 2
1.	355	+		=	696
2.	162	+		=	320
3.	302	+		=	435
4.	299	+		=	525
5.	320	+		=	554
6.	335	+		=	668
7.	447	+		=	863
8.	315	+		=	500
9.	418	+		=	631
10.	209	+		=	408

Oefening 3
1.	421	+		=	562
2.	500	+		=	738
3.	434	+		=	707
4.	231	+		=	344
5.	500	+		=	739
6.	495	+		=	613
7.	403	+		=	693
8.	466	+		=	688
9.	321	+		=	558
10.	460	+		=	725

Oefening 4
1.	243	+		=	412
2.	389	+		=	692
3.	186	+		=	355
4.	496	+		=	830
5.	437	+		=	641
6.	185	+		=	356
7.	484	+		=	654
8.	387	+		=	643
9.	358	+		=	463
10.	414	+		=	540

Welk getal ontbreekt t/m 1.000?
| ANTWOORDEN

Optellen

Oefening 1
1.	400	+	239	=	639
2.	121	+	100	=	221
3.	481	+	409	=	890
4.	474	+	289	=	763
5.	447	+	174	=	621
6.	473	+	379	=	852
7.	212	+	156	=	368
8.	253	+	136	=	389
9.	479	+	223	=	702
10.	245	+	150	=	395

Oefening 2
1.	355	+	341	=	696
2.	162	+	158	=	320
3.	302	+	133	=	435
4.	299	+	226	=	525
5.	320	+	234	=	554
6.	335	+	333	=	668
7.	447	+	416	=	863
8.	315	+	185	=	500
9.	418	+	213	=	631
10.	209	+	199	=	408

Oefening 3
1.	421	+	141	=	562
2.	500	+	238	=	738
3.	434	+	273	=	707
4.	231	+	113	=	344
5.	500	+	239	=	739
6.	495	+	118	=	613
7.	403	+	290	=	693
8.	466	+	222	=	688
9.	321	+	237	=	558
10.	460	+	265	=	725

Oefening 4
1.	243	+	169	=	412
2.	389	+	303	=	692
3.	186	+	169	=	355
4.	496	+	334	=	830
5.	437	+	204	=	641
6.	185	+	171	=	356
7.	484	+	170	=	654
8.	387	+	256	=	643
9.	358	+	105	=	463
10.	414	+	126	=	540