Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	923	+		=	1.224
2.	971	+		=	1.930
3.	775	+		=	1.222
4.	822	+		=	1.417
5.	661	+		=	1.253
6.	895	+		=	1.540
7.	671	+		=	1.306
8.	736	+		=	1.283
9.	502	+		=	829
10.	554	+		=	1.097

Oefening 2
1.	799	+		=	1.062
2.	571	+		=	881
3.	994	+		=	1.263
4.	823	+		=	1.587
5.	972	+		=	1.472
6.	523	+		=	1.003
7.	499	+		=	948
8.	892	+		=	1.579
9.	846	+		=	1.085
10.	805	+		=	1.219

Oefening 3
1.	544	+		=	1.046
2.	884	+		=	1.402
3.	981	+		=	1.468
4.	583	+		=	979
5.	434	+		=	769
6.	380	+		=	643
7.	369	+		=	674
8.	870	+		=	1.539
9.	957	+		=	1.615
10.	823	+		=	1.607

Oefening 4
1.	519	+		=	831
2.	642	+		=	1.278
3.	942	+		=	1.839
4.	870	+		=	1.384
5.	771	+		=	1.378
6.	982	+		=	1.882
7.	463	+		=	898
8.	772	+		=	1.492
9.	995	+		=	1.793
10.	386	+		=	639

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	923	+	301	=	1.224
2.	971	+	959	=	1.930
3.	775	+	447	=	1.222
4.	822	+	595	=	1.417
5.	661	+	592	=	1.253
6.	895	+	645	=	1.540
7.	671	+	635	=	1.306
8.	736	+	547	=	1.283
9.	502	+	327	=	829
10.	554	+	543	=	1.097

Oefening 2
1.	799	+	263	=	1.062
2.	571	+	310	=	881
3.	994	+	269	=	1.263
4.	823	+	764	=	1.587
5.	972	+	500	=	1.472
6.	523	+	480	=	1.003
7.	499	+	449	=	948
8.	892	+	687	=	1.579
9.	846	+	239	=	1.085
10.	805	+	414	=	1.219

Oefening 3
1.	544	+	502	=	1.046
2.	884	+	518	=	1.402
3.	981	+	487	=	1.468
4.	583	+	396	=	979
5.	434	+	335	=	769
6.	380	+	263	=	643
7.	369	+	305	=	674
8.	870	+	669	=	1.539
9.	957	+	658	=	1.615
10.	823	+	784	=	1.607

Oefening 4
1.	519	+	312	=	831
2.	642	+	636	=	1.278
3.	942	+	897	=	1.839
4.	870	+	514	=	1.384
5.	771	+	607	=	1.378
6.	982	+	900	=	1.882
7.	463	+	435	=	898
8.	772	+	720	=	1.492
9.	995	+	798	=	1.793
10.	386	+	253	=	639