Welk getal ontbreekt t/m 2.000?

Optellen

Oefening 1
1.	678	+		=	1.180
2.	805	+		=	1.455
3.	873	+		=	1.294
4.	754	+		=	996
5.	627	+		=	876
6.	645	+		=	1.105
7.	948	+		=	1.506
8.	890	+		=	1.626
9.	912	+		=	1.213
10.	886	+		=	1.205

Oefening 2
1.	803	+		=	1.082
2.	961	+		=	1.695
3.	512	+		=	725
4.	933	+		=	1.231
5.	827	+		=	1.235
6.	411	+		=	794
7.	677	+		=	887
8.	904	+		=	1.619
9.	763	+		=	1.294
10.	583	+		=	815

Oefening 3
1.	385	+		=	591
2.	730	+		=	1.145
3.	389	+		=	696
4.	719	+		=	1.370
5.	852	+		=	1.429
6.	860	+		=	1.117
7.	660	+		=	1.037
8.	928	+		=	1.590
9.	767	+		=	1.423
10.	871	+		=	1.563

Oefening 4
1.	858	+		=	1.326
2.	886	+		=	1.187
3.	594	+		=	1.136
4.	444	+		=	714
5.	772	+		=	1.398
6.	578	+		=	903
7.	649	+		=	1.114
8.	643	+		=	879
9.	766	+		=	1.367
10.	285	+		=	499

Welk getal ontbreekt t/m 2.000?
| ANTWOORDEN

Optellen

Oefening 1
1.	678	+	502	=	1.180
2.	805	+	650	=	1.455
3.	873	+	421	=	1.294
4.	754	+	242	=	996
5.	627	+	249	=	876
6.	645	+	460	=	1.105
7.	948	+	558	=	1.506
8.	890	+	736	=	1.626
9.	912	+	301	=	1.213
10.	886	+	319	=	1.205

Oefening 2
1.	803	+	279	=	1.082
2.	961	+	734	=	1.695
3.	512	+	213	=	725
4.	933	+	298	=	1.231
5.	827	+	408	=	1.235
6.	411	+	383	=	794
7.	677	+	210	=	887
8.	904	+	715	=	1.619
9.	763	+	531	=	1.294
10.	583	+	232	=	815

Oefening 3
1.	385	+	206	=	591
2.	730	+	415	=	1.145
3.	389	+	307	=	696
4.	719	+	651	=	1.370
5.	852	+	577	=	1.429
6.	860	+	257	=	1.117
7.	660	+	377	=	1.037
8.	928	+	662	=	1.590
9.	767	+	656	=	1.423
10.	871	+	692	=	1.563

Oefening 4
1.	858	+	468	=	1.326
2.	886	+	301	=	1.187
3.	594	+	542	=	1.136
4.	444	+	270	=	714
5.	772	+	626	=	1.398
6.	578	+	325	=	903
7.	649	+	465	=	1.114
8.	643	+	236	=	879
9.	766	+	601	=	1.367
10.	285	+	214	=	499