Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	516	+		=	811
2.	812	+		=	1.483
3.	875	+		=	1.689
4.	875	+		=	1.370
5.	997	+		=	1.535
6.	949	+		=	1.296
7.	707	+		=	1.275
8.	865	+		=	1.104
9.	786	+		=	1.565
10.	801	+		=	1.411

Oefening 2
1.	968	+		=	1.352
2.	563	+		=	765
3.	379	+		=	726
4.	967	+		=	1.561
5.	897	+		=	1.579
6.	932	+		=	1.787
7.	963	+		=	1.420
8.	925	+		=	1.459
9.	713	+		=	1.357
10.	844	+		=	1.180

Oefening 3
1.	820	+		=	1.304
2.	828	+		=	1.179
3.	373	+		=	680
4.	921	+		=	1.259
5.	866	+		=	1.639
6.	606	+		=	875
7.	780	+		=	1.264
8.	311	+		=	572
9.	917	+		=	1.816
10.	996	+		=	1.957

Oefening 4
1.	818	+		=	1.532
2.	968	+		=	1.503
3.	325	+		=	591
4.	783	+		=	1.133
5.	646	+		=	877
6.	673	+		=	1.127
7.	967	+		=	1.379
8.	746	+		=	1.154
9.	567	+		=	862
10.	500	+		=	799

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	516	+	295	=	811
2.	812	+	671	=	1.483
3.	875	+	814	=	1.689
4.	875	+	495	=	1.370
5.	997	+	538	=	1.535
6.	949	+	347	=	1.296
7.	707	+	568	=	1.275
8.	865	+	239	=	1.104
9.	786	+	779	=	1.565
10.	801	+	610	=	1.411

Oefening 2
1.	968	+	384	=	1.352
2.	563	+	202	=	765
3.	379	+	347	=	726
4.	967	+	594	=	1.561
5.	897	+	682	=	1.579
6.	932	+	855	=	1.787
7.	963	+	457	=	1.420
8.	925	+	534	=	1.459
9.	713	+	644	=	1.357
10.	844	+	336	=	1.180

Oefening 3
1.	820	+	484	=	1.304
2.	828	+	351	=	1.179
3.	373	+	307	=	680
4.	921	+	338	=	1.259
5.	866	+	773	=	1.639
6.	606	+	269	=	875
7.	780	+	484	=	1.264
8.	311	+	261	=	572
9.	917	+	899	=	1.816
10.	996	+	961	=	1.957

Oefening 4
1.	818	+	714	=	1.532
2.	968	+	535	=	1.503
3.	325	+	266	=	591
4.	783	+	350	=	1.133
5.	646	+	231	=	877
6.	673	+	454	=	1.127
7.	967	+	412	=	1.379
8.	746	+	408	=	1.154
9.	567	+	295	=	862
10.	500	+	299	=	799