Welk getal ontbreekt t/m 2.000?

Optellen

Oefening 1
1.	526	+		=	774
2.	448	+		=	712
3.	907	+		=	1.160
4.	867	+		=	1.509
5.	900	+		=	1.279
6.	286	+		=	549
7.	876	+		=	1.720
8.	876	+		=	1.222
9.	821	+		=	1.537
10.	303	+		=	531

Oefening 2
1.	774	+		=	1.297
2.	850	+		=	1.644
3.	836	+		=	1.387
4.	496	+		=	866
5.	615	+		=	1.006
6.	754	+		=	1.347
7.	396	+		=	620
8.	885	+		=	1.385
9.	931	+		=	1.595
10.	952	+		=	1.565

Oefening 3
1.	629	+		=	1.024
2.	769	+		=	1.421
3.	338	+		=	554
4.	655	+		=	1.068
5.	863	+		=	1.586
6.	711	+		=	1.289
7.	932	+		=	1.575
8.	485	+		=	794
9.	785	+		=	1.454
10.	862	+		=	1.337

Oefening 4
1.	518	+		=	851
2.	838	+		=	1.076
3.	971	+		=	1.259
4.	859	+		=	1.370
5.	602	+		=	912
6.	552	+		=	912
7.	518	+		=	848
8.	612	+		=	992
9.	935	+		=	1.160
10.	868	+		=	1.341

Welk getal ontbreekt t/m 2.000?
| ANTWOORDEN

Optellen

Oefening 1
1.	526	+	248	=	774
2.	448	+	264	=	712
3.	907	+	253	=	1.160
4.	867	+	642	=	1.509
5.	900	+	379	=	1.279
6.	286	+	263	=	549
7.	876	+	844	=	1.720
8.	876	+	346	=	1.222
9.	821	+	716	=	1.537
10.	303	+	228	=	531

Oefening 2
1.	774	+	523	=	1.297
2.	850	+	794	=	1.644
3.	836	+	551	=	1.387
4.	496	+	370	=	866
5.	615	+	391	=	1.006
6.	754	+	593	=	1.347
7.	396	+	224	=	620
8.	885	+	500	=	1.385
9.	931	+	664	=	1.595
10.	952	+	613	=	1.565

Oefening 3
1.	629	+	395	=	1.024
2.	769	+	652	=	1.421
3.	338	+	216	=	554
4.	655	+	413	=	1.068
5.	863	+	723	=	1.586
6.	711	+	578	=	1.289
7.	932	+	643	=	1.575
8.	485	+	309	=	794
9.	785	+	669	=	1.454
10.	862	+	475	=	1.337

Oefening 4
1.	518	+	333	=	851
2.	838	+	238	=	1.076
3.	971	+	288	=	1.259
4.	859	+	511	=	1.370
5.	602	+	310	=	912
6.	552	+	360	=	912
7.	518	+	330	=	848
8.	612	+	380	=	992
9.	935	+	225	=	1.160
10.	868	+	473	=	1.341