Welk getal ontbreekt t/m 2.000?

Optellen

Oefening 1
1.	670	+		=	1.098
2.	813	+		=	1.069
3.	890	+		=	1.145
4.	765	+		=	1.011
5.	743	+		=	1.224
6.	600	+		=	1.116
7.	387	+		=	598
8.	896	+		=	1.497
9.	520	+		=	943
10.	657	+		=	905

Oefening 2
1.	686	+		=	1.089
2.	940	+		=	1.532
3.	426	+		=	626
4.	950	+		=	1.190
5.	681	+		=	1.196
6.	945	+		=	1.426
7.	633	+		=	1.152
8.	819	+		=	1.623
9.	420	+		=	666
10.	890	+		=	1.118

Oefening 3
1.	363	+		=	683
2.	677	+		=	1.039
3.	860	+		=	1.659
4.	752	+		=	1.473
5.	942	+		=	1.471
6.	759	+		=	1.061
7.	992	+		=	1.766
8.	780	+		=	1.088
9.	711	+		=	1.019
10.	914	+		=	1.309

Oefening 4
1.	856	+		=	1.551
2.	644	+		=	1.077
3.	738	+		=	1.432
4.	845	+		=	1.466
5.	773	+		=	982
6.	763	+		=	1.261
7.	899	+		=	1.501
8.	537	+		=	778
9.	995	+		=	1.548
10.	901	+		=	1.691

Welk getal ontbreekt t/m 2.000?
| ANTWOORDEN

Optellen

Oefening 1
1.	670	+	428	=	1.098
2.	813	+	256	=	1.069
3.	890	+	255	=	1.145
4.	765	+	246	=	1.011
5.	743	+	481	=	1.224
6.	600	+	516	=	1.116
7.	387	+	211	=	598
8.	896	+	601	=	1.497
9.	520	+	423	=	943
10.	657	+	248	=	905

Oefening 2
1.	686	+	403	=	1.089
2.	940	+	592	=	1.532
3.	426	+	200	=	626
4.	950	+	240	=	1.190
5.	681	+	515	=	1.196
6.	945	+	481	=	1.426
7.	633	+	519	=	1.152
8.	819	+	804	=	1.623
9.	420	+	246	=	666
10.	890	+	228	=	1.118

Oefening 3
1.	363	+	320	=	683
2.	677	+	362	=	1.039
3.	860	+	799	=	1.659
4.	752	+	721	=	1.473
5.	942	+	529	=	1.471
6.	759	+	302	=	1.061
7.	992	+	774	=	1.766
8.	780	+	308	=	1.088
9.	711	+	308	=	1.019
10.	914	+	395	=	1.309

Oefening 4
1.	856	+	695	=	1.551
2.	644	+	433	=	1.077
3.	738	+	694	=	1.432
4.	845	+	621	=	1.466
5.	773	+	209	=	982
6.	763	+	498	=	1.261
7.	899	+	602	=	1.501
8.	537	+	241	=	778
9.	995	+	553	=	1.548
10.	901	+	790	=	1.691