Welk getal ontbreekt t/m 2.000?

Optellen

Oefening 1
1.	430	+		=	647
2.	423	+		=	677
3.	564	+		=	901
4.	620	+		=	829
5.	675	+		=	1.340
6.	766	+		=	1.183
7.	523	+		=	932
8.	761	+		=	1.507
9.	847	+		=	1.590
10.	862	+		=	1.173

Oefening 2
1.	984	+		=	1.372
2.	904	+		=	1.477
3.	397	+		=	643
4.	697	+		=	1.335
5.	770	+		=	1.053
6.	771	+		=	1.148
7.	808	+		=	1.352
8.	719	+		=	1.093
9.	383	+		=	722
10.	836	+		=	1.336

Oefening 3
1.	711	+		=	1.056
2.	774	+		=	1.078
3.	651	+		=	1.214
4.	869	+		=	1.616
5.	412	+		=	755
6.	472	+		=	890
7.	369	+		=	578
8.	971	+		=	1.611
9.	547	+		=	911
10.	532	+		=	993

Oefening 4
1.	318	+		=	616
2.	989	+		=	1.444
3.	545	+		=	862
4.	997	+		=	1.339
5.	509	+		=	966
6.	591	+		=	893
7.	963	+		=	1.405
8.	436	+		=	750
9.	880	+		=	1.578
10.	804	+		=	1.024

Welk getal ontbreekt t/m 2.000?
| ANTWOORDEN

Optellen

Oefening 1
1.	430	+	217	=	647
2.	423	+	254	=	677
3.	564	+	337	=	901
4.	620	+	209	=	829
5.	675	+	665	=	1.340
6.	766	+	417	=	1.183
7.	523	+	409	=	932
8.	761	+	746	=	1.507
9.	847	+	743	=	1.590
10.	862	+	311	=	1.173

Oefening 2
1.	984	+	388	=	1.372
2.	904	+	573	=	1.477
3.	397	+	246	=	643
4.	697	+	638	=	1.335
5.	770	+	283	=	1.053
6.	771	+	377	=	1.148
7.	808	+	544	=	1.352
8.	719	+	374	=	1.093
9.	383	+	339	=	722
10.	836	+	500	=	1.336

Oefening 3
1.	711	+	345	=	1.056
2.	774	+	304	=	1.078
3.	651	+	563	=	1.214
4.	869	+	747	=	1.616
5.	412	+	343	=	755
6.	472	+	418	=	890
7.	369	+	209	=	578
8.	971	+	640	=	1.611
9.	547	+	364	=	911
10.	532	+	461	=	993

Oefening 4
1.	318	+	298	=	616
2.	989	+	455	=	1.444
3.	545	+	317	=	862
4.	997	+	342	=	1.339
5.	509	+	457	=	966
6.	591	+	302	=	893
7.	963	+	442	=	1.405
8.	436	+	314	=	750
9.	880	+	698	=	1.578
10.	804	+	220	=	1.024