Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	870	+		=	1.382
2.	821	+		=	1.521
3.	853	+		=	1.495
4.	733	+		=	1.332
5.	495	+		=	900
6.	714	+		=	1.258
7.	900	+		=	1.700
8.	935	+		=	1.604
9.	761	+		=	1.049
10.	795	+		=	1.299

Oefening 2
1.	968	+		=	1.410
2.	994	+		=	1.201
3.	986	+		=	1.419
4.	460	+		=	818
5.	960	+		=	1.813
6.	431	+		=	821
7.	964	+		=	1.655
8.	586	+		=	1.038
9.	781	+		=	1.364
10.	796	+		=	1.591

Oefening 3
1.	803	+		=	1.512
2.	719	+		=	1.273
3.	543	+		=	1.041
4.	580	+		=	1.135
5.	582	+		=	1.081
6.	910	+		=	1.245
7.	467	+		=	864
8.	832	+		=	1.426
9.	906	+		=	1.235
10.	976	+		=	1.843

Oefening 4
1.	437	+		=	776
2.	988	+		=	1.492
3.	675	+		=	957
4.	861	+		=	1.286
5.	897	+		=	1.311
6.	955	+		=	1.721
7.	537	+		=	922
8.	656	+		=	868
9.	651	+		=	901
10.	269	+		=	500

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	870	+	512	=	1.382
2.	821	+	700	=	1.521
3.	853	+	642	=	1.495
4.	733	+	599	=	1.332
5.	495	+	405	=	900
6.	714	+	544	=	1.258
7.	900	+	800	=	1.700
8.	935	+	669	=	1.604
9.	761	+	288	=	1.049
10.	795	+	504	=	1.299

Oefening 2
1.	968	+	442	=	1.410
2.	994	+	207	=	1.201
3.	986	+	433	=	1.419
4.	460	+	358	=	818
5.	960	+	853	=	1.813
6.	431	+	390	=	821
7.	964	+	691	=	1.655
8.	586	+	452	=	1.038
9.	781	+	583	=	1.364
10.	796	+	795	=	1.591

Oefening 3
1.	803	+	709	=	1.512
2.	719	+	554	=	1.273
3.	543	+	498	=	1.041
4.	580	+	555	=	1.135
5.	582	+	499	=	1.081
6.	910	+	335	=	1.245
7.	467	+	397	=	864
8.	832	+	594	=	1.426
9.	906	+	329	=	1.235
10.	976	+	867	=	1.843

Oefening 4
1.	437	+	339	=	776
2.	988	+	504	=	1.492
3.	675	+	282	=	957
4.	861	+	425	=	1.286
5.	897	+	414	=	1.311
6.	955	+	766	=	1.721
7.	537	+	385	=	922
8.	656	+	212	=	868
9.	651	+	250	=	901
10.	269	+	231	=	500