Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	840	+		=	1.160
2.	748	+		=	1.120
3.	690	+		=	1.229
4.	337	+		=	546
5.	920	+		=	1.763
6.	683	+		=	1.189
7.	785	+		=	1.275
8.	646	+		=	900
9.	519	+		=	882
10.	961	+		=	1.218

Oefening 2
1.	763	+		=	1.084
2.	639	+		=	974
3.	964	+		=	1.902
4.	794	+		=	1.292
5.	938	+		=	1.720
6.	401	+		=	685
7.	980	+		=	1.620
8.	927	+		=	1.307
9.	714	+		=	1.085
10.	928	+		=	1.411

Oefening 3
1.	523	+		=	952
2.	888	+		=	1.757
3.	770	+		=	1.056
4.	749	+		=	1.285
5.	598	+		=	1.052
6.	992	+		=	1.879
7.	1.000	+		=	1.575
8.	887	+		=	1.125
9.	316	+		=	538
10.	850	+		=	1.470

Oefening 4
1.	817	+		=	1.125
2.	975	+		=	1.178
3.	743	+		=	1.037
4.	885	+		=	1.694
5.	816	+		=	1.366
6.	481	+		=	867
7.	987	+		=	1.649
8.	392	+		=	771
9.	436	+		=	668
10.	419	+		=	670

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	840	+	320	=	1.160
2.	748	+	372	=	1.120
3.	690	+	539	=	1.229
4.	337	+	209	=	546
5.	920	+	843	=	1.763
6.	683	+	506	=	1.189
7.	785	+	490	=	1.275
8.	646	+	254	=	900
9.	519	+	363	=	882
10.	961	+	257	=	1.218

Oefening 2
1.	763	+	321	=	1.084
2.	639	+	335	=	974
3.	964	+	938	=	1.902
4.	794	+	498	=	1.292
5.	938	+	782	=	1.720
6.	401	+	284	=	685
7.	980	+	640	=	1.620
8.	927	+	380	=	1.307
9.	714	+	371	=	1.085
10.	928	+	483	=	1.411

Oefening 3
1.	523	+	429	=	952
2.	888	+	869	=	1.757
3.	770	+	286	=	1.056
4.	749	+	536	=	1.285
5.	598	+	454	=	1.052
6.	992	+	887	=	1.879
7.	1.000	+	575	=	1.575
8.	887	+	238	=	1.125
9.	316	+	222	=	538
10.	850	+	620	=	1.470

Oefening 4
1.	817	+	308	=	1.125
2.	975	+	203	=	1.178
3.	743	+	294	=	1.037
4.	885	+	809	=	1.694
5.	816	+	550	=	1.366
6.	481	+	386	=	867
7.	987	+	662	=	1.649
8.	392	+	379	=	771
9.	436	+	232	=	668
10.	419	+	251	=	670