Welk getal ontbreekt t/m 2.000?

Optellen

Oefening 1
1.	500	+		=	996
2.	561	+		=	1.007
3.	604	+		=	835
4.	366	+		=	666
5.	668	+		=	1.255
6.	881	+		=	1.273
7.	322	+		=	612
8.	637	+		=	1.260
9.	964	+		=	1.740
10.	968	+		=	1.323

Oefening 2
1.	412	+		=	725
2.	983	+		=	1.544
3.	908	+		=	1.783
4.	812	+		=	1.140
5.	852	+		=	1.090
6.	960	+		=	1.788
7.	572	+		=	886
8.	750	+		=	1.440
9.	819	+		=	1.259
10.	650	+		=	1.083

Oefening 3
1.	604	+		=	1.159
2.	648	+		=	967
3.	797	+		=	1.533
4.	413	+		=	793
5.	761	+		=	1.027
6.	569	+		=	992
7.	465	+		=	903
8.	827	+		=	1.222
9.	854	+		=	1.552
10.	720	+		=	1.416

Oefening 4
1.	902	+		=	1.722
2.	844	+		=	1.340
3.	360	+		=	624
4.	882	+		=	1.599
5.	843	+		=	1.272
6.	628	+		=	1.115
7.	898	+		=	1.350
8.	945	+		=	1.557
9.	688	+		=	1.048
10.	656	+		=	1.292

Welk getal ontbreekt t/m 2.000?
| ANTWOORDEN

Optellen

Oefening 1
1.	500	+	496	=	996
2.	561	+	446	=	1.007
3.	604	+	231	=	835
4.	366	+	300	=	666
5.	668	+	587	=	1.255
6.	881	+	392	=	1.273
7.	322	+	290	=	612
8.	637	+	623	=	1.260
9.	964	+	776	=	1.740
10.	968	+	355	=	1.323

Oefening 2
1.	412	+	313	=	725
2.	983	+	561	=	1.544
3.	908	+	875	=	1.783
4.	812	+	328	=	1.140
5.	852	+	238	=	1.090
6.	960	+	828	=	1.788
7.	572	+	314	=	886
8.	750	+	690	=	1.440
9.	819	+	440	=	1.259
10.	650	+	433	=	1.083

Oefening 3
1.	604	+	555	=	1.159
2.	648	+	319	=	967
3.	797	+	736	=	1.533
4.	413	+	380	=	793
5.	761	+	266	=	1.027
6.	569	+	423	=	992
7.	465	+	438	=	903
8.	827	+	395	=	1.222
9.	854	+	698	=	1.552
10.	720	+	696	=	1.416

Oefening 4
1.	902	+	820	=	1.722
2.	844	+	496	=	1.340
3.	360	+	264	=	624
4.	882	+	717	=	1.599
5.	843	+	429	=	1.272
6.	628	+	487	=	1.115
7.	898	+	452	=	1.350
8.	945	+	612	=	1.557
9.	688	+	360	=	1.048
10.	656	+	636	=	1.292