Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	496	+		=	782
2.	971	+		=	1.321
3.	951	+		=	1.281
4.	987	+		=	1.841
5.	765	+		=	1.402
6.	929	+		=	1.848
7.	690	+		=	1.155
8.	584	+		=	1.154
9.	695	+		=	1.378
10.	536	+		=	1.016

Oefening 2
1.	453	+		=	825
2.	864	+		=	1.684
3.	892	+		=	1.720
4.	616	+		=	1.116
5.	547	+		=	755
6.	919	+		=	1.366
7.	740	+		=	1.470
8.	447	+		=	872
9.	732	+		=	1.075
10.	982	+		=	1.621

Oefening 3
1.	743	+		=	1.063
2.	955	+		=	1.810
3.	964	+		=	1.723
4.	381	+		=	703
5.	592	+		=	910
6.	851	+		=	1.170
7.	670	+		=	1.062
8.	948	+		=	1.576
9.	932	+		=	1.682
10.	871	+		=	1.150

Oefening 4
1.	993	+		=	1.894
2.	954	+		=	1.605
3.	404	+		=	774
4.	996	+		=	1.463
5.	512	+		=	1.008
6.	736	+		=	1.396
7.	932	+		=	1.427
8.	542	+		=	943
9.	500	+		=	855
10.	594	+		=	1.186

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	496	+	286	=	782
2.	971	+	350	=	1.321
3.	951	+	330	=	1.281
4.	987	+	854	=	1.841
5.	765	+	637	=	1.402
6.	929	+	919	=	1.848
7.	690	+	465	=	1.155
8.	584	+	570	=	1.154
9.	695	+	683	=	1.378
10.	536	+	480	=	1.016

Oefening 2
1.	453	+	372	=	825
2.	864	+	820	=	1.684
3.	892	+	828	=	1.720
4.	616	+	500	=	1.116
5.	547	+	208	=	755
6.	919	+	447	=	1.366
7.	740	+	730	=	1.470
8.	447	+	425	=	872
9.	732	+	343	=	1.075
10.	982	+	639	=	1.621

Oefening 3
1.	743	+	320	=	1.063
2.	955	+	855	=	1.810
3.	964	+	759	=	1.723
4.	381	+	322	=	703
5.	592	+	318	=	910
6.	851	+	319	=	1.170
7.	670	+	392	=	1.062
8.	948	+	628	=	1.576
9.	932	+	750	=	1.682
10.	871	+	279	=	1.150

Oefening 4
1.	993	+	901	=	1.894
2.	954	+	651	=	1.605
3.	404	+	370	=	774
4.	996	+	467	=	1.463
5.	512	+	496	=	1.008
6.	736	+	660	=	1.396
7.	932	+	495	=	1.427
8.	542	+	401	=	943
9.	500	+	355	=	855
10.	594	+	592	=	1.186