Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	374	+		=	740
2.	726	+		=	1.217
3.	624	+		=	1.230
4.	575	+		=	796
5.	861	+		=	1.092
6.	425	+		=	730
7.	692	+		=	1.381
8.	925	+		=	1.779
9.	970	+		=	1.828
10.	851	+		=	1.253

Oefening 2
1.	952	+		=	1.865
2.	951	+		=	1.486
3.	994	+		=	1.651
4.	734	+		=	1.141
5.	730	+		=	1.180
6.	893	+		=	1.339
7.	891	+		=	1.117
8.	583	+		=	1.018
9.	990	+		=	1.781
10.	528	+		=	931

Oefening 3
1.	813	+		=	1.336
2.	795	+		=	1.138
3.	259	+		=	500
4.	877	+		=	1.334
5.	890	+		=	1.506
6.	694	+		=	1.221
7.	841	+		=	1.178
8.	503	+		=	911
9.	920	+		=	1.593
10.	935	+		=	1.301

Oefening 4
1.	769	+		=	1.381
2.	498	+		=	985
3.	758	+		=	1.261
4.	410	+		=	744
5.	743	+		=	1.251
6.	562	+		=	976
7.	971	+		=	1.596
8.	918	+		=	1.554
9.	540	+		=	891
10.	506	+		=	733

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	374	+	366	=	740
2.	726	+	491	=	1.217
3.	624	+	606	=	1.230
4.	575	+	221	=	796
5.	861	+	231	=	1.092
6.	425	+	305	=	730
7.	692	+	689	=	1.381
8.	925	+	854	=	1.779
9.	970	+	858	=	1.828
10.	851	+	402	=	1.253

Oefening 2
1.	952	+	913	=	1.865
2.	951	+	535	=	1.486
3.	994	+	657	=	1.651
4.	734	+	407	=	1.141
5.	730	+	450	=	1.180
6.	893	+	446	=	1.339
7.	891	+	226	=	1.117
8.	583	+	435	=	1.018
9.	990	+	791	=	1.781
10.	528	+	403	=	931

Oefening 3
1.	813	+	523	=	1.336
2.	795	+	343	=	1.138
3.	259	+	241	=	500
4.	877	+	457	=	1.334
5.	890	+	616	=	1.506
6.	694	+	527	=	1.221
7.	841	+	337	=	1.178
8.	503	+	408	=	911
9.	920	+	673	=	1.593
10.	935	+	366	=	1.301

Oefening 4
1.	769	+	612	=	1.381
2.	498	+	487	=	985
3.	758	+	503	=	1.261
4.	410	+	334	=	744
5.	743	+	508	=	1.251
6.	562	+	414	=	976
7.	971	+	625	=	1.596
8.	918	+	636	=	1.554
9.	540	+	351	=	891
10.	506	+	227	=	733