Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	491	+		=	951
2.	951	+		=	1.341
3.	832	+		=	1.514
4.	763	+		=	1.042
5.	726	+		=	1.203
6.	776	+		=	1.183
7.	719	+		=	1.105
8.	704	+		=	1.174
9.	989	+		=	1.351
10.	309	+		=	610

Oefening 2
1.	717	+		=	1.164
2.	763	+		=	1.405
3.	480	+		=	716
4.	688	+		=	1.327
5.	263	+		=	477
6.	378	+		=	726
7.	869	+		=	1.417
8.	904	+		=	1.690
9.	613	+		=	995
10.	756	+		=	1.334

Oefening 3
1.	702	+		=	1.180
2.	539	+		=	1.043
3.	923	+		=	1.262
4.	752	+		=	1.457
5.	371	+		=	644
6.	990	+		=	1.338
7.	705	+		=	1.226
8.	876	+		=	1.156
9.	668	+		=	1.153
10.	543	+		=	821

Oefening 4
1.	796	+		=	1.148
2.	858	+		=	1.129
3.	847	+		=	1.446
4.	851	+		=	1.460
5.	785	+		=	1.292
6.	719	+		=	985
7.	781	+		=	1.371
8.	607	+		=	962
9.	720	+		=	923
10.	574	+		=	1.046

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	491	+	460	=	951
2.	951	+	390	=	1.341
3.	832	+	682	=	1.514
4.	763	+	279	=	1.042
5.	726	+	477	=	1.203
6.	776	+	407	=	1.183
7.	719	+	386	=	1.105
8.	704	+	470	=	1.174
9.	989	+	362	=	1.351
10.	309	+	301	=	610

Oefening 2
1.	717	+	447	=	1.164
2.	763	+	642	=	1.405
3.	480	+	236	=	716
4.	688	+	639	=	1.327
5.	263	+	214	=	477
6.	378	+	348	=	726
7.	869	+	548	=	1.417
8.	904	+	786	=	1.690
9.	613	+	382	=	995
10.	756	+	578	=	1.334

Oefening 3
1.	702	+	478	=	1.180
2.	539	+	504	=	1.043
3.	923	+	339	=	1.262
4.	752	+	705	=	1.457
5.	371	+	273	=	644
6.	990	+	348	=	1.338
7.	705	+	521	=	1.226
8.	876	+	280	=	1.156
9.	668	+	485	=	1.153
10.	543	+	278	=	821

Oefening 4
1.	796	+	352	=	1.148
2.	858	+	271	=	1.129
3.	847	+	599	=	1.446
4.	851	+	609	=	1.460
5.	785	+	507	=	1.292
6.	719	+	266	=	985
7.	781	+	590	=	1.371
8.	607	+	355	=	962
9.	720	+	203	=	923
10.	574	+	472	=	1.046