Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	380	+		=	746
2.	674	+		=	1.314
3.	740	+		=	1.108
4.	913	+		=	1.601
5.	422	+		=	726
6.	633	+		=	1.216
7.	544	+		=	851
8.	675	+		=	1.275
9.	754	+		=	1.214
10.	869	+		=	1.644

Oefening 2
1.	995	+		=	1.407
2.	932	+		=	1.581
3.	987	+		=	1.657
4.	740	+		=	1.180
5.	553	+		=	990
6.	951	+		=	1.475
7.	847	+		=	1.615
8.	979	+		=	1.568
9.	846	+		=	1.643
10.	488	+		=	841

Oefening 3
1.	544	+		=	802
2.	987	+		=	1.539
3.	612	+		=	941
4.	904	+		=	1.434
5.	941	+		=	1.773
6.	696	+		=	1.331
7.	974	+		=	1.861
8.	823	+		=	1.045
9.	833	+		=	1.587
10.	871	+		=	1.085

Oefening 4
1.	960	+		=	1.330
2.	506	+		=	720
3.	777	+		=	1.203
4.	860	+		=	1.521
5.	461	+		=	724
6.	972	+		=	1.312
7.	380	+		=	679
8.	802	+		=	1.344
9.	627	+		=	1.052
10.	864	+		=	1.719

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	380	+	366	=	746
2.	674	+	640	=	1.314
3.	740	+	368	=	1.108
4.	913	+	688	=	1.601
5.	422	+	304	=	726
6.	633	+	583	=	1.216
7.	544	+	307	=	851
8.	675	+	600	=	1.275
9.	754	+	460	=	1.214
10.	869	+	775	=	1.644

Oefening 2
1.	995	+	412	=	1.407
2.	932	+	649	=	1.581
3.	987	+	670	=	1.657
4.	740	+	440	=	1.180
5.	553	+	437	=	990
6.	951	+	524	=	1.475
7.	847	+	768	=	1.615
8.	979	+	589	=	1.568
9.	846	+	797	=	1.643
10.	488	+	353	=	841

Oefening 3
1.	544	+	258	=	802
2.	987	+	552	=	1.539
3.	612	+	329	=	941
4.	904	+	530	=	1.434
5.	941	+	832	=	1.773
6.	696	+	635	=	1.331
7.	974	+	887	=	1.861
8.	823	+	222	=	1.045
9.	833	+	754	=	1.587
10.	871	+	214	=	1.085

Oefening 4
1.	960	+	370	=	1.330
2.	506	+	214	=	720
3.	777	+	426	=	1.203
4.	860	+	661	=	1.521
5.	461	+	263	=	724
6.	972	+	340	=	1.312
7.	380	+	299	=	679
8.	802	+	542	=	1.344
9.	627	+	425	=	1.052
10.	864	+	855	=	1.719