Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	418	+		=	638
2.	890	+		=	1.228
3.	973	+		=	1.303
4.	818	+		=	1.139
5.	935	+		=	1.445
6.	954	+		=	1.460
7.	634	+		=	979
8.	435	+		=	776
9.	496	+		=	921
10.	643	+		=	1.262

Oefening 2
1.	483	+		=	739
2.	661	+		=	963
3.	916	+		=	1.542
4.	918	+		=	1.203
5.	459	+		=	837
6.	229	+		=	443
7.	945	+		=	1.758
8.	647	+		=	1.123
9.	975	+		=	1.182
10.	928	+		=	1.316

Oefening 3
1.	819	+		=	1.280
2.	981	+		=	1.478
3.	842	+		=	1.359
4.	855	+		=	1.374
5.	904	+		=	1.381
6.	951	+		=	1.530
7.	794	+		=	1.564
8.	533	+		=	783
9.	876	+		=	1.355
10.	933	+		=	1.779

Oefening 4
1.	772	+		=	1.538
2.	837	+		=	1.358
3.	767	+		=	1.503
4.	702	+		=	1.212
5.	656	+		=	1.038
6.	453	+		=	735
7.	907	+		=	1.655
8.	626	+		=	1.043
9.	874	+		=	1.129
10.	359	+		=	693

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	418	+	220	=	638
2.	890	+	338	=	1.228
3.	973	+	330	=	1.303
4.	818	+	321	=	1.139
5.	935	+	510	=	1.445
6.	954	+	506	=	1.460
7.	634	+	345	=	979
8.	435	+	341	=	776
9.	496	+	425	=	921
10.	643	+	619	=	1.262

Oefening 2
1.	483	+	256	=	739
2.	661	+	302	=	963
3.	916	+	626	=	1.542
4.	918	+	285	=	1.203
5.	459	+	378	=	837
6.	229	+	214	=	443
7.	945	+	813	=	1.758
8.	647	+	476	=	1.123
9.	975	+	207	=	1.182
10.	928	+	388	=	1.316

Oefening 3
1.	819	+	461	=	1.280
2.	981	+	497	=	1.478
3.	842	+	517	=	1.359
4.	855	+	519	=	1.374
5.	904	+	477	=	1.381
6.	951	+	579	=	1.530
7.	794	+	770	=	1.564
8.	533	+	250	=	783
9.	876	+	479	=	1.355
10.	933	+	846	=	1.779

Oefening 4
1.	772	+	766	=	1.538
2.	837	+	521	=	1.358
3.	767	+	736	=	1.503
4.	702	+	510	=	1.212
5.	656	+	382	=	1.038
6.	453	+	282	=	735
7.	907	+	748	=	1.655
8.	626	+	417	=	1.043
9.	874	+	255	=	1.129
10.	359	+	334	=	693