Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	890	+		=	1.531
2.	817	+		=	1.569
3.	929	+		=	1.733
4.	532	+		=	843
5.	989	+		=	1.348
6.	729	+		=	1.079
7.	478	+		=	812
8.	767	+		=	1.258
9.	803	+		=	1.145
10.	709	+		=	1.407

Oefening 2
1.	810	+		=	1.071
2.	594	+		=	865
3.	489	+		=	969
4.	720	+		=	922
5.	519	+		=	825
6.	501	+		=	873
7.	966	+		=	1.529
8.	330	+		=	655
9.	933	+		=	1.629
10.	637	+		=	968

Oefening 3
1.	944	+		=	1.478
2.	829	+		=	1.332
3.	968	+		=	1.456
4.	402	+		=	762
5.	742	+		=	1.084
6.	869	+		=	1.257
7.	900	+		=	1.449
8.	686	+		=	944
9.	473	+		=	680
10.	742	+		=	1.438

Oefening 4
1.	847	+		=	1.115
2.	614	+		=	1.086
3.	488	+		=	932
4.	932	+		=	1.496
5.	633	+		=	1.178
6.	625	+		=	945
7.	490	+		=	811
8.	849	+		=	1.446
9.	709	+		=	1.412
10.	831	+		=	1.467

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	890	+	641	=	1.531
2.	817	+	752	=	1.569
3.	929	+	804	=	1.733
4.	532	+	311	=	843
5.	989	+	359	=	1.348
6.	729	+	350	=	1.079
7.	478	+	334	=	812
8.	767	+	491	=	1.258
9.	803	+	342	=	1.145
10.	709	+	698	=	1.407

Oefening 2
1.	810	+	261	=	1.071
2.	594	+	271	=	865
3.	489	+	480	=	969
4.	720	+	202	=	922
5.	519	+	306	=	825
6.	501	+	372	=	873
7.	966	+	563	=	1.529
8.	330	+	325	=	655
9.	933	+	696	=	1.629
10.	637	+	331	=	968

Oefening 3
1.	944	+	534	=	1.478
2.	829	+	503	=	1.332
3.	968	+	488	=	1.456
4.	402	+	360	=	762
5.	742	+	342	=	1.084
6.	869	+	388	=	1.257
7.	900	+	549	=	1.449
8.	686	+	258	=	944
9.	473	+	207	=	680
10.	742	+	696	=	1.438

Oefening 4
1.	847	+	268	=	1.115
2.	614	+	472	=	1.086
3.	488	+	444	=	932
4.	932	+	564	=	1.496
5.	633	+	545	=	1.178
6.	625	+	320	=	945
7.	490	+	321	=	811
8.	849	+	597	=	1.446
9.	709	+	703	=	1.412
10.	831	+	636	=	1.467