Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	708	+		=	1.055
2.	689	+		=	924
3.	905	+		=	1.550
4.	874	+		=	1.401
5.	969	+		=	1.195
6.	578	+		=	1.055
7.	843	+		=	1.331
8.	700	+		=	1.006
9.	351	+		=	616
10.	950	+		=	1.268

Oefening 2
1.	686	+		=	947
2.	764	+		=	1.383
3.	480	+		=	816
4.	773	+		=	1.004
5.	949	+		=	1.802
6.	899	+		=	1.209
7.	897	+		=	1.257
8.	829	+		=	1.236
9.	925	+		=	1.758
10.	815	+		=	1.165

Oefening 3
1.	790	+		=	1.256
2.	998	+		=	1.278
3.	876	+		=	1.454
4.	440	+		=	859
5.	605	+		=	1.128
6.	605	+		=	906
7.	740	+		=	1.264
8.	981	+		=	1.856
9.	529	+		=	864
10.	771	+		=	1.366

Oefening 4
1.	771	+		=	1.463
2.	918	+		=	1.371
3.	550	+		=	837
4.	983	+		=	1.671
5.	446	+		=	737
6.	478	+		=	845
7.	416	+		=	779
8.	875	+		=	1.087
9.	855	+		=	1.233
10.	989	+		=	1.675

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	708	+	347	=	1.055
2.	689	+	235	=	924
3.	905	+	645	=	1.550
4.	874	+	527	=	1.401
5.	969	+	226	=	1.195
6.	578	+	477	=	1.055
7.	843	+	488	=	1.331
8.	700	+	306	=	1.006
9.	351	+	265	=	616
10.	950	+	318	=	1.268

Oefening 2
1.	686	+	261	=	947
2.	764	+	619	=	1.383
3.	480	+	336	=	816
4.	773	+	231	=	1.004
5.	949	+	853	=	1.802
6.	899	+	310	=	1.209
7.	897	+	360	=	1.257
8.	829	+	407	=	1.236
9.	925	+	833	=	1.758
10.	815	+	350	=	1.165

Oefening 3
1.	790	+	466	=	1.256
2.	998	+	280	=	1.278
3.	876	+	578	=	1.454
4.	440	+	419	=	859
5.	605	+	523	=	1.128
6.	605	+	301	=	906
7.	740	+	524	=	1.264
8.	981	+	875	=	1.856
9.	529	+	335	=	864
10.	771	+	595	=	1.366

Oefening 4
1.	771	+	692	=	1.463
2.	918	+	453	=	1.371
3.	550	+	287	=	837
4.	983	+	688	=	1.671
5.	446	+	291	=	737
6.	478	+	367	=	845
7.	416	+	363	=	779
8.	875	+	212	=	1.087
9.	855	+	378	=	1.233
10.	989	+	686	=	1.675