Welk getal ontbreekt t/m 2.000?

Optellen

Oefening 1
1.	858	+		=	1.676
2.	763	+		=	1.228
3.	984	+		=	1.413
4.	837	+		=	1.074
5.	975	+		=	1.801
6.	883	+		=	1.667
7.	380	+		=	722
8.	680	+		=	1.023
9.	929	+		=	1.484
10.	985	+		=	1.189

Oefening 2
1.	988	+		=	1.570
2.	758	+		=	1.239
3.	341	+		=	667
4.	638	+		=	863
5.	761	+		=	1.377
6.	897	+		=	1.560
7.	700	+		=	1.177
8.	964	+		=	1.229
9.	798	+		=	1.365
10.	977	+		=	1.856

Oefening 3
1.	308	+		=	513
2.	767	+		=	971
3.	535	+		=	868
4.	703	+		=	1.033
5.	569	+		=	854
6.	770	+		=	1.435
7.	741	+		=	1.132
8.	944	+		=	1.618
9.	913	+		=	1.252
10.	595	+		=	1.061

Oefening 4
1.	780	+		=	1.434
2.	524	+		=	1.037
3.	777	+		=	1.202
4.	765	+		=	1.242
5.	722	+		=	1.249
6.	649	+		=	1.011
7.	753	+		=	1.055
8.	239	+		=	454
9.	440	+		=	821
10.	755	+		=	1.336

Welk getal ontbreekt t/m 2.000?
| ANTWOORDEN

Optellen

Oefening 1
1.	858	+	818	=	1.676
2.	763	+	465	=	1.228
3.	984	+	429	=	1.413
4.	837	+	237	=	1.074
5.	975	+	826	=	1.801
6.	883	+	784	=	1.667
7.	380	+	342	=	722
8.	680	+	343	=	1.023
9.	929	+	555	=	1.484
10.	985	+	204	=	1.189

Oefening 2
1.	988	+	582	=	1.570
2.	758	+	481	=	1.239
3.	341	+	326	=	667
4.	638	+	225	=	863
5.	761	+	616	=	1.377
6.	897	+	663	=	1.560
7.	700	+	477	=	1.177
8.	964	+	265	=	1.229
9.	798	+	567	=	1.365
10.	977	+	879	=	1.856

Oefening 3
1.	308	+	205	=	513
2.	767	+	204	=	971
3.	535	+	333	=	868
4.	703	+	330	=	1.033
5.	569	+	285	=	854
6.	770	+	665	=	1.435
7.	741	+	391	=	1.132
8.	944	+	674	=	1.618
9.	913	+	339	=	1.252
10.	595	+	466	=	1.061

Oefening 4
1.	780	+	654	=	1.434
2.	524	+	513	=	1.037
3.	777	+	425	=	1.202
4.	765	+	477	=	1.242
5.	722	+	527	=	1.249
6.	649	+	362	=	1.011
7.	753	+	302	=	1.055
8.	239	+	215	=	454
9.	440	+	381	=	821
10.	755	+	581	=	1.336