Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	560	+		=	988
2.	757	+		=	1.424
3.	987	+		=	1.627
4.	754	+		=	1.422
5.	834	+		=	1.530
6.	857	+		=	1.134
7.	948	+		=	1.152
8.	830	+		=	1.369
9.	579	+		=	883
10.	836	+		=	1.164

Oefening 2
1.	574	+		=	906
2.	999	+		=	1.707
3.	307	+		=	603
4.	899	+		=	1.224
5.	697	+		=	1.202
6.	810	+		=	1.473
7.	826	+		=	1.301
8.	867	+		=	1.228
9.	928	+		=	1.275
10.	869	+		=	1.564

Oefening 3
1.	685	+		=	1.207
2.	619	+		=	880
3.	722	+		=	1.402
4.	950	+		=	1.707
5.	745	+		=	1.219
6.	678	+		=	1.344
7.	892	+		=	1.753
8.	382	+		=	600
9.	889	+		=	1.544
10.	900	+		=	1.357

Oefening 4
1.	834	+		=	1.133
2.	917	+		=	1.543
3.	669	+		=	984
4.	536	+		=	812
5.	931	+		=	1.387
6.	997	+		=	1.213
7.	971	+		=	1.243
8.	534	+		=	752
9.	871	+		=	1.524
10.	557	+		=	953

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	560	+	428	=	988
2.	757	+	667	=	1.424
3.	987	+	640	=	1.627
4.	754	+	668	=	1.422
5.	834	+	696	=	1.530
6.	857	+	277	=	1.134
7.	948	+	204	=	1.152
8.	830	+	539	=	1.369
9.	579	+	304	=	883
10.	836	+	328	=	1.164

Oefening 2
1.	574	+	332	=	906
2.	999	+	708	=	1.707
3.	307	+	296	=	603
4.	899	+	325	=	1.224
5.	697	+	505	=	1.202
6.	810	+	663	=	1.473
7.	826	+	475	=	1.301
8.	867	+	361	=	1.228
9.	928	+	347	=	1.275
10.	869	+	695	=	1.564

Oefening 3
1.	685	+	522	=	1.207
2.	619	+	261	=	880
3.	722	+	680	=	1.402
4.	950	+	757	=	1.707
5.	745	+	474	=	1.219
6.	678	+	666	=	1.344
7.	892	+	861	=	1.753
8.	382	+	218	=	600
9.	889	+	655	=	1.544
10.	900	+	457	=	1.357

Oefening 4
1.	834	+	299	=	1.133
2.	917	+	626	=	1.543
3.	669	+	315	=	984
4.	536	+	276	=	812
5.	931	+	456	=	1.387
6.	997	+	216	=	1.213
7.	971	+	272	=	1.243
8.	534	+	218	=	752
9.	871	+	653	=	1.524
10.	557	+	396	=	953