Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	446	+		=	693
2.	908	+		=	1.679
3.	913	+		=	1.548
4.	806	+		=	1.014
5.	521	+		=	953
6.	811	+		=	1.454
7.	957	+		=	1.483
8.	914	+		=	1.129
9.	737	+		=	1.217
10.	967	+		=	1.649

Oefening 2
1.	467	+		=	813
2.	771	+		=	1.126
3.	968	+		=	1.385
4.	397	+		=	759
5.	578	+		=	871
6.	483	+		=	897
7.	920	+		=	1.784
8.	757	+		=	1.396
9.	904	+		=	1.413
10.	518	+		=	928

Oefening 3
1.	996	+		=	1.216
2.	617	+		=	1.044
3.	619	+		=	1.154
4.	994	+		=	1.851
5.	921	+		=	1.759
6.	585	+		=	1.003
7.	883	+		=	1.737
8.	685	+		=	1.303
9.	887	+		=	1.691
10.	883	+		=	1.570

Oefening 4
1.	875	+		=	1.563
2.	526	+		=	980
3.	253	+		=	466
4.	980	+		=	1.713
5.	401	+		=	769
6.	601	+		=	1.171
7.	807	+		=	1.569
8.	464	+		=	788
9.	942	+		=	1.277
10.	559	+		=	1.051

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	446	+	247	=	693
2.	908	+	771	=	1.679
3.	913	+	635	=	1.548
4.	806	+	208	=	1.014
5.	521	+	432	=	953
6.	811	+	643	=	1.454
7.	957	+	526	=	1.483
8.	914	+	215	=	1.129
9.	737	+	480	=	1.217
10.	967	+	682	=	1.649

Oefening 2
1.	467	+	346	=	813
2.	771	+	355	=	1.126
3.	968	+	417	=	1.385
4.	397	+	362	=	759
5.	578	+	293	=	871
6.	483	+	414	=	897
7.	920	+	864	=	1.784
8.	757	+	639	=	1.396
9.	904	+	509	=	1.413
10.	518	+	410	=	928

Oefening 3
1.	996	+	220	=	1.216
2.	617	+	427	=	1.044
3.	619	+	535	=	1.154
4.	994	+	857	=	1.851
5.	921	+	838	=	1.759
6.	585	+	418	=	1.003
7.	883	+	854	=	1.737
8.	685	+	618	=	1.303
9.	887	+	804	=	1.691
10.	883	+	687	=	1.570

Oefening 4
1.	875	+	688	=	1.563
2.	526	+	454	=	980
3.	253	+	213	=	466
4.	980	+	733	=	1.713
5.	401	+	368	=	769
6.	601	+	570	=	1.171
7.	807	+	762	=	1.569
8.	464	+	324	=	788
9.	942	+	335	=	1.277
10.	559	+	492	=	1.051