Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	359	+		=	706
2.	834	+		=	1.279
3.	643	+		=	1.281
4.	650	+		=	1.206
5.	929	+		=	1.144
6.	617	+		=	1.127
7.	782	+		=	1.506
8.	874	+		=	1.516
9.	707	+		=	1.253
10.	514	+		=	836

Oefening 2
1.	498	+		=	718
2.	487	+		=	768
3.	873	+		=	1.275
4.	516	+		=	848
5.	771	+		=	1.014
6.	988	+		=	1.195
7.	966	+		=	1.353
8.	676	+		=	1.091
9.	552	+		=	883
10.	446	+		=	712

Oefening 3
1.	999	+		=	1.436
2.	904	+		=	1.424
3.	563	+		=	1.010
4.	776	+		=	1.201
5.	692	+		=	942
6.	484	+		=	961
7.	736	+		=	968
8.	952	+		=	1.850
9.	864	+		=	1.258
10.	721	+		=	1.286

Oefening 4
1.	425	+		=	628
2.	730	+		=	1.392
3.	899	+		=	1.280
4.	782	+		=	1.051
5.	607	+		=	1.029
6.	855	+		=	1.656
7.	800	+		=	1.002
8.	558	+		=	967
9.	837	+		=	1.362
10.	833	+		=	1.104

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	359	+	347	=	706
2.	834	+	445	=	1.279
3.	643	+	638	=	1.281
4.	650	+	556	=	1.206
5.	929	+	215	=	1.144
6.	617	+	510	=	1.127
7.	782	+	724	=	1.506
8.	874	+	642	=	1.516
9.	707	+	546	=	1.253
10.	514	+	322	=	836

Oefening 2
1.	498	+	220	=	718
2.	487	+	281	=	768
3.	873	+	402	=	1.275
4.	516	+	332	=	848
5.	771	+	243	=	1.014
6.	988	+	207	=	1.195
7.	966	+	387	=	1.353
8.	676	+	415	=	1.091
9.	552	+	331	=	883
10.	446	+	266	=	712

Oefening 3
1.	999	+	437	=	1.436
2.	904	+	520	=	1.424
3.	563	+	447	=	1.010
4.	776	+	425	=	1.201
5.	692	+	250	=	942
6.	484	+	477	=	961
7.	736	+	232	=	968
8.	952	+	898	=	1.850
9.	864	+	394	=	1.258
10.	721	+	565	=	1.286

Oefening 4
1.	425	+	203	=	628
2.	730	+	662	=	1.392
3.	899	+	381	=	1.280
4.	782	+	269	=	1.051
5.	607	+	422	=	1.029
6.	855	+	801	=	1.656
7.	800	+	202	=	1.002
8.	558	+	409	=	967
9.	837	+	525	=	1.362
10.	833	+	271	=	1.104