Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	969	+		=	1.242
2.	518	+		=	965
3.	791	+		=	1.272
4.	617	+		=	980
5.	686	+		=	951
6.	525	+		=	965
7.	697	+		=	1.208
8.	859	+		=	1.665
9.	745	+		=	1.210
10.	964	+		=	1.297

Oefening 2
1.	426	+		=	818
2.	502	+		=	777
3.	844	+		=	1.562
4.	994	+		=	1.903
5.	594	+		=	1.050
6.	793	+		=	1.339
7.	793	+		=	1.245
8.	999	+		=	1.816
9.	729	+		=	1.422
10.	925	+		=	1.210

Oefening 3
1.	760	+		=	1.435
2.	352	+		=	699
3.	689	+		=	1.246
4.	953	+		=	1.905
5.	855	+		=	1.259
6.	877	+		=	1.330
7.	882	+		=	1.727
8.	550	+		=	874
9.	787	+		=	1.552
10.	967	+		=	1.786

Oefening 4
1.	696	+		=	1.387
2.	944	+		=	1.734
3.	379	+		=	626
4.	900	+		=	1.737
5.	903	+		=	1.522
6.	551	+		=	1.091
7.	886	+		=	1.324
8.	969	+		=	1.338
9.	931	+		=	1.422
10.	686	+		=	1.169

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	969	+	273	=	1.242
2.	518	+	447	=	965
3.	791	+	481	=	1.272
4.	617	+	363	=	980
5.	686	+	265	=	951
6.	525	+	440	=	965
7.	697	+	511	=	1.208
8.	859	+	806	=	1.665
9.	745	+	465	=	1.210
10.	964	+	333	=	1.297

Oefening 2
1.	426	+	392	=	818
2.	502	+	275	=	777
3.	844	+	718	=	1.562
4.	994	+	909	=	1.903
5.	594	+	456	=	1.050
6.	793	+	546	=	1.339
7.	793	+	452	=	1.245
8.	999	+	817	=	1.816
9.	729	+	693	=	1.422
10.	925	+	285	=	1.210

Oefening 3
1.	760	+	675	=	1.435
2.	352	+	347	=	699
3.	689	+	557	=	1.246
4.	953	+	952	=	1.905
5.	855	+	404	=	1.259
6.	877	+	453	=	1.330
7.	882	+	845	=	1.727
8.	550	+	324	=	874
9.	787	+	765	=	1.552
10.	967	+	819	=	1.786

Oefening 4
1.	696	+	691	=	1.387
2.	944	+	790	=	1.734
3.	379	+	247	=	626
4.	900	+	837	=	1.737
5.	903	+	619	=	1.522
6.	551	+	540	=	1.091
7.	886	+	438	=	1.324
8.	969	+	369	=	1.338
9.	931	+	491	=	1.422
10.	686	+	483	=	1.169