Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	784	+		=	1.236
2.	541	+		=	778
3.	380	+		=	664
4.	537	+		=	1.053
5.	930	+		=	1.285
6.	564	+		=	1.074
7.	483	+		=	764
8.	808	+		=	1.110
9.	780	+		=	1.560
10.	638	+		=	998

Oefening 2
1.	905	+		=	1.141
2.	590	+		=	940
3.	963	+		=	1.505
4.	688	+		=	986
5.	689	+		=	1.353
6.	835	+		=	1.419
7.	561	+		=	838
8.	887	+		=	1.421
9.	984	+		=	1.233
10.	948	+		=	1.518

Oefening 3
1.	853	+		=	1.279
2.	947	+		=	1.465
3.	527	+		=	764
4.	473	+		=	685
5.	941	+		=	1.492
6.	617	+		=	829
7.	893	+		=	1.245
8.	714	+		=	1.067
9.	842	+		=	1.679
10.	795	+		=	1.347

Oefening 4
1.	940	+		=	1.780
2.	767	+		=	988
3.	620	+		=	890
4.	522	+		=	724
5.	608	+		=	936
6.	624	+		=	827
7.	273	+		=	518
8.	383	+		=	619
9.	847	+		=	1.521
10.	457	+		=	819

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	784	+	452	=	1.236
2.	541	+	237	=	778
3.	380	+	284	=	664
4.	537	+	516	=	1.053
5.	930	+	355	=	1.285
6.	564	+	510	=	1.074
7.	483	+	281	=	764
8.	808	+	302	=	1.110
9.	780	+	780	=	1.560
10.	638	+	360	=	998

Oefening 2
1.	905	+	236	=	1.141
2.	590	+	350	=	940
3.	963	+	542	=	1.505
4.	688	+	298	=	986
5.	689	+	664	=	1.353
6.	835	+	584	=	1.419
7.	561	+	277	=	838
8.	887	+	534	=	1.421
9.	984	+	249	=	1.233
10.	948	+	570	=	1.518

Oefening 3
1.	853	+	426	=	1.279
2.	947	+	518	=	1.465
3.	527	+	237	=	764
4.	473	+	212	=	685
5.	941	+	551	=	1.492
6.	617	+	212	=	829
7.	893	+	352	=	1.245
8.	714	+	353	=	1.067
9.	842	+	837	=	1.679
10.	795	+	552	=	1.347

Oefening 4
1.	940	+	840	=	1.780
2.	767	+	221	=	988
3.	620	+	270	=	890
4.	522	+	202	=	724
5.	608	+	328	=	936
6.	624	+	203	=	827
7.	273	+	245	=	518
8.	383	+	236	=	619
9.	847	+	674	=	1.521
10.	457	+	362	=	819