Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	307	+		=	545
2.	507	+		=	743
3.	980	+		=	1.238
4.	887	+		=	1.384
5.	934	+		=	1.648
6.	619	+		=	1.217
7.	532	+		=	813
8.	776	+		=	1.434
9.	435	+		=	771
10.	506	+		=	793

Oefening 2
1.	901	+		=	1.410
2.	720	+		=	1.311
3.	958	+		=	1.911
4.	917	+		=	1.327
5.	475	+		=	717
6.	978	+		=	1.880
7.	886	+		=	1.097
8.	978	+		=	1.763
9.	993	+		=	1.240
10.	792	+		=	1.190

Oefening 3
1.	768	+		=	1.407
2.	603	+		=	1.022
3.	533	+		=	973
4.	394	+		=	736
5.	740	+		=	1.191
6.	779	+		=	1.365
7.	684	+		=	987
8.	526	+		=	733
9.	297	+		=	506
10.	713	+		=	1.344

Oefening 4
1.	889	+		=	1.107
2.	461	+		=	785
3.	462	+		=	672
4.	382	+		=	724
5.	770	+		=	1.129
6.	913	+		=	1.599
7.	773	+		=	1.490
8.	415	+		=	646
9.	874	+		=	1.679
10.	444	+		=	734

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	307	+	238	=	545
2.	507	+	236	=	743
3.	980	+	258	=	1.238
4.	887	+	497	=	1.384
5.	934	+	714	=	1.648
6.	619	+	598	=	1.217
7.	532	+	281	=	813
8.	776	+	658	=	1.434
9.	435	+	336	=	771
10.	506	+	287	=	793

Oefening 2
1.	901	+	509	=	1.410
2.	720	+	591	=	1.311
3.	958	+	953	=	1.911
4.	917	+	410	=	1.327
5.	475	+	242	=	717
6.	978	+	902	=	1.880
7.	886	+	211	=	1.097
8.	978	+	785	=	1.763
9.	993	+	247	=	1.240
10.	792	+	398	=	1.190

Oefening 3
1.	768	+	639	=	1.407
2.	603	+	419	=	1.022
3.	533	+	440	=	973
4.	394	+	342	=	736
5.	740	+	451	=	1.191
6.	779	+	586	=	1.365
7.	684	+	303	=	987
8.	526	+	207	=	733
9.	297	+	209	=	506
10.	713	+	631	=	1.344

Oefening 4
1.	889	+	218	=	1.107
2.	461	+	324	=	785
3.	462	+	210	=	672
4.	382	+	342	=	724
5.	770	+	359	=	1.129
6.	913	+	686	=	1.599
7.	773	+	717	=	1.490
8.	415	+	231	=	646
9.	874	+	805	=	1.679
10.	444	+	290	=	734