Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	441	+		=	707
2.	904	+		=	1.142
3.	941	+		=	1.401
4.	875	+		=	1.678
5.	703	+		=	1.198
6.	929	+		=	1.311
7.	665	+		=	1.092
8.	863	+		=	1.393
9.	569	+		=	894
10.	806	+		=	1.463

Oefening 2
1.	832	+		=	1.473
2.	510	+		=	823
3.	635	+		=	1.236
4.	983	+		=	1.791
5.	416	+		=	786
6.	965	+		=	1.660
7.	625	+		=	942
8.	486	+		=	750
9.	800	+		=	1.386
10.	889	+		=	1.218

Oefening 3
1.	929	+		=	1.527
2.	647	+		=	934
3.	748	+		=	1.142
4.	874	+		=	1.149
5.	797	+		=	1.048
6.	951	+		=	1.443
7.	659	+		=	1.165
8.	810	+		=	1.175
9.	651	+		=	1.205
10.	894	+		=	1.563

Oefening 4
1.	574	+		=	911
2.	576	+		=	935
3.	850	+		=	1.479
4.	794	+		=	1.158
5.	992	+		=	1.860
6.	942	+		=	1.570
7.	742	+		=	1.130
8.	881	+		=	1.196
9.	669	+		=	1.094
10.	789	+		=	1.000

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	441	+	266	=	707
2.	904	+	238	=	1.142
3.	941	+	460	=	1.401
4.	875	+	803	=	1.678
5.	703	+	495	=	1.198
6.	929	+	382	=	1.311
7.	665	+	427	=	1.092
8.	863	+	530	=	1.393
9.	569	+	325	=	894
10.	806	+	657	=	1.463

Oefening 2
1.	832	+	641	=	1.473
2.	510	+	313	=	823
3.	635	+	601	=	1.236
4.	983	+	808	=	1.791
5.	416	+	370	=	786
6.	965	+	695	=	1.660
7.	625	+	317	=	942
8.	486	+	264	=	750
9.	800	+	586	=	1.386
10.	889	+	329	=	1.218

Oefening 3
1.	929	+	598	=	1.527
2.	647	+	287	=	934
3.	748	+	394	=	1.142
4.	874	+	275	=	1.149
5.	797	+	251	=	1.048
6.	951	+	492	=	1.443
7.	659	+	506	=	1.165
8.	810	+	365	=	1.175
9.	651	+	554	=	1.205
10.	894	+	669	=	1.563

Oefening 4
1.	574	+	337	=	911
2.	576	+	359	=	935
3.	850	+	629	=	1.479
4.	794	+	364	=	1.158
5.	992	+	868	=	1.860
6.	942	+	628	=	1.570
7.	742	+	388	=	1.130
8.	881	+	315	=	1.196
9.	669	+	425	=	1.094
10.	789	+	211	=	1.000