Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	961	+		=	1.284
2.	992	+		=	1.282
3.	454	+		=	855
4.	766	+		=	1.219
5.	617	+		=	1.001
6.	494	+		=	913
7.	685	+		=	1.263
8.	672	+		=	882
9.	741	+		=	1.052
10.	769	+		=	1.189

Oefening 2
1.	861	+		=	1.532
2.	926	+		=	1.317
3.	921	+		=	1.688
4.	275	+		=	531
5.	295	+		=	520
6.	670	+		=	903
7.	779	+		=	1.189
8.	784	+		=	993
9.	398	+		=	705
10.	836	+		=	1.223

Oefening 3
1.	528	+		=	856
2.	282	+		=	561
3.	802	+		=	1.278
4.	708	+		=	1.035
5.	962	+		=	1.293
6.	883	+		=	1.249
7.	839	+		=	1.604
8.	876	+		=	1.603
9.	979	+		=	1.333
10.	424	+		=	754

Oefening 4
1.	401	+		=	784
2.	567	+		=	1.066
3.	741	+		=	1.118
4.	859	+		=	1.079
5.	542	+		=	1.028
6.	766	+		=	1.344
7.	847	+		=	1.134
8.	934	+		=	1.384
9.	654	+		=	1.262
10.	629	+		=	846

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	961	+	323	=	1.284
2.	992	+	290	=	1.282
3.	454	+	401	=	855
4.	766	+	453	=	1.219
5.	617	+	384	=	1.001
6.	494	+	419	=	913
7.	685	+	578	=	1.263
8.	672	+	210	=	882
9.	741	+	311	=	1.052
10.	769	+	420	=	1.189

Oefening 2
1.	861	+	671	=	1.532
2.	926	+	391	=	1.317
3.	921	+	767	=	1.688
4.	275	+	256	=	531
5.	295	+	225	=	520
6.	670	+	233	=	903
7.	779	+	410	=	1.189
8.	784	+	209	=	993
9.	398	+	307	=	705
10.	836	+	387	=	1.223

Oefening 3
1.	528	+	328	=	856
2.	282	+	279	=	561
3.	802	+	476	=	1.278
4.	708	+	327	=	1.035
5.	962	+	331	=	1.293
6.	883	+	366	=	1.249
7.	839	+	765	=	1.604
8.	876	+	727	=	1.603
9.	979	+	354	=	1.333
10.	424	+	330	=	754

Oefening 4
1.	401	+	383	=	784
2.	567	+	499	=	1.066
3.	741	+	377	=	1.118
4.	859	+	220	=	1.079
5.	542	+	486	=	1.028
6.	766	+	578	=	1.344
7.	847	+	287	=	1.134
8.	934	+	450	=	1.384
9.	654	+	608	=	1.262
10.	629	+	217	=	846