Welk getal ontbreekt t/m 2.000?

Optellen

Oefening 1
1.	728	+		=	947
2.	929	+		=	1.232
3.	777	+		=	1.482
4.	905	+		=	1.489
5.	920	+		=	1.534
6.	987	+		=	1.241
7.	745	+		=	957
8.	900	+		=	1.128
9.	698	+		=	1.288
10.	455	+		=	677

Oefening 2
1.	993	+		=	1.818
2.	977	+		=	1.475
3.	721	+		=	1.055
4.	405	+		=	685
5.	659	+		=	1.248
6.	716	+		=	1.379
7.	759	+		=	1.059
8.	230	+		=	445
9.	786	+		=	1.059
10.	594	+		=	794

Oefening 3
1.	938	+		=	1.422
2.	742	+		=	1.400
3.	793	+		=	1.072
4.	821	+		=	1.440
5.	938	+		=	1.405
6.	628	+		=	1.201
7.	995	+		=	1.393
8.	508	+		=	911
9.	532	+		=	921
10.	312	+		=	566

Oefening 4
1.	633	+		=	1.166
2.	985	+		=	1.791
3.	326	+		=	556
4.	750	+		=	964
5.	335	+		=	569
6.	521	+		=	734
7.	292	+		=	557
8.	807	+		=	1.611
9.	978	+		=	1.892
10.	989	+		=	1.194

Welk getal ontbreekt t/m 2.000?
| ANTWOORDEN

Optellen

Oefening 1
1.	728	+	219	=	947
2.	929	+	303	=	1.232
3.	777	+	705	=	1.482
4.	905	+	584	=	1.489
5.	920	+	614	=	1.534
6.	987	+	254	=	1.241
7.	745	+	212	=	957
8.	900	+	228	=	1.128
9.	698	+	590	=	1.288
10.	455	+	222	=	677

Oefening 2
1.	993	+	825	=	1.818
2.	977	+	498	=	1.475
3.	721	+	334	=	1.055
4.	405	+	280	=	685
5.	659	+	589	=	1.248
6.	716	+	663	=	1.379
7.	759	+	300	=	1.059
8.	230	+	215	=	445
9.	786	+	273	=	1.059
10.	594	+	200	=	794

Oefening 3
1.	938	+	484	=	1.422
2.	742	+	658	=	1.400
3.	793	+	279	=	1.072
4.	821	+	619	=	1.440
5.	938	+	467	=	1.405
6.	628	+	573	=	1.201
7.	995	+	398	=	1.393
8.	508	+	403	=	911
9.	532	+	389	=	921
10.	312	+	254	=	566

Oefening 4
1.	633	+	533	=	1.166
2.	985	+	806	=	1.791
3.	326	+	230	=	556
4.	750	+	214	=	964
5.	335	+	234	=	569
6.	521	+	213	=	734
7.	292	+	265	=	557
8.	807	+	804	=	1.611
9.	978	+	914	=	1.892
10.	989	+	205	=	1.194