Welk getal ontbreekt t/m 2.000?

Optellen

Oefening 1
1.	604	+		=	1.124
2.	810	+		=	1.198
3.	853	+		=	1.318
4.	921	+		=	1.649
5.	507	+		=	959
6.	777	+		=	1.057
7.	586	+		=	1.075
8.	961	+		=	1.304
9.	936	+		=	1.579
10.	447	+		=	827

Oefening 2
1.	790	+		=	1.044
2.	837	+		=	1.614
3.	803	+		=	1.437
4.	668	+		=	1.114
5.	390	+		=	773
6.	871	+		=	1.096
7.	643	+		=	1.201
8.	744	+		=	1.417
9.	312	+		=	599
10.	882	+		=	1.335

Oefening 3
1.	767	+		=	1.501
2.	493	+		=	926
3.	841	+		=	1.533
4.	982	+		=	1.890
5.	965	+		=	1.237
6.	498	+		=	851
7.	648	+		=	1.015
8.	791	+		=	1.014
9.	831	+		=	1.197
10.	1.000	+		=	1.385

Oefening 4
1.	987	+		=	1.616
2.	830	+		=	1.509
3.	689	+		=	1.295
4.	863	+		=	1.232
5.	738	+		=	1.335
6.	935	+		=	1.714
7.	554	+		=	760
8.	520	+		=	1.002
9.	510	+		=	742
10.	672	+		=	1.174

Welk getal ontbreekt t/m 2.000?
| ANTWOORDEN

Optellen

Oefening 1
1.	604	+	520	=	1.124
2.	810	+	388	=	1.198
3.	853	+	465	=	1.318
4.	921	+	728	=	1.649
5.	507	+	452	=	959
6.	777	+	280	=	1.057
7.	586	+	489	=	1.075
8.	961	+	343	=	1.304
9.	936	+	643	=	1.579
10.	447	+	380	=	827

Oefening 2
1.	790	+	254	=	1.044
2.	837	+	777	=	1.614
3.	803	+	634	=	1.437
4.	668	+	446	=	1.114
5.	390	+	383	=	773
6.	871	+	225	=	1.096
7.	643	+	558	=	1.201
8.	744	+	673	=	1.417
9.	312	+	287	=	599
10.	882	+	453	=	1.335

Oefening 3
1.	767	+	734	=	1.501
2.	493	+	433	=	926
3.	841	+	692	=	1.533
4.	982	+	908	=	1.890
5.	965	+	272	=	1.237
6.	498	+	353	=	851
7.	648	+	367	=	1.015
8.	791	+	223	=	1.014
9.	831	+	366	=	1.197
10.	1.000	+	385	=	1.385

Oefening 4
1.	987	+	629	=	1.616
2.	830	+	679	=	1.509
3.	689	+	606	=	1.295
4.	863	+	369	=	1.232
5.	738	+	597	=	1.335
6.	935	+	779	=	1.714
7.	554	+	206	=	760
8.	520	+	482	=	1.002
9.	510	+	232	=	742
10.	672	+	502	=	1.174