Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	992	+		=	1.420
2.	959	+		=	1.598
3.	948	+		=	1.836
4.	790	+		=	1.151
5.	507	+		=	1.012
6.	654	+		=	1.143
7.	923	+		=	1.826
8.	569	+		=	911
9.	851	+		=	1.499
10.	916	+		=	1.365

Oefening 2
1.	946	+		=	1.759
2.	860	+		=	1.424
3.	753	+		=	1.396
4.	697	+		=	1.047
5.	622	+		=	847
6.	983	+		=	1.346
7.	632	+		=	851
8.	747	+		=	1.155
9.	271	+		=	525
10.	775	+		=	1.347

Oefening 3
1.	632	+		=	1.002
2.	599	+		=	892
3.	570	+		=	1.052
4.	901	+		=	1.209
5.	673	+		=	1.160
6.	999	+		=	1.609
7.	694	+		=	1.177
8.	779	+		=	1.150
9.	528	+		=	1.051
10.	951	+		=	1.386

Oefening 4
1.	720	+		=	970
2.	850	+		=	1.223
3.	966	+		=	1.414
4.	862	+		=	1.091
5.	939	+		=	1.159
6.	378	+		=	707
7.	718	+		=	1.101
8.	983	+		=	1.305
9.	738	+		=	1.342
10.	825	+		=	1.310

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	992	+	428	=	1.420
2.	959	+	639	=	1.598
3.	948	+	888	=	1.836
4.	790	+	361	=	1.151
5.	507	+	505	=	1.012
6.	654	+	489	=	1.143
7.	923	+	903	=	1.826
8.	569	+	342	=	911
9.	851	+	648	=	1.499
10.	916	+	449	=	1.365

Oefening 2
1.	946	+	813	=	1.759
2.	860	+	564	=	1.424
3.	753	+	643	=	1.396
4.	697	+	350	=	1.047
5.	622	+	225	=	847
6.	983	+	363	=	1.346
7.	632	+	219	=	851
8.	747	+	408	=	1.155
9.	271	+	254	=	525
10.	775	+	572	=	1.347

Oefening 3
1.	632	+	370	=	1.002
2.	599	+	293	=	892
3.	570	+	482	=	1.052
4.	901	+	308	=	1.209
5.	673	+	487	=	1.160
6.	999	+	610	=	1.609
7.	694	+	483	=	1.177
8.	779	+	371	=	1.150
9.	528	+	523	=	1.051
10.	951	+	435	=	1.386

Oefening 4
1.	720	+	250	=	970
2.	850	+	373	=	1.223
3.	966	+	448	=	1.414
4.	862	+	229	=	1.091
5.	939	+	220	=	1.159
6.	378	+	329	=	707
7.	718	+	383	=	1.101
8.	983	+	322	=	1.305
9.	738	+	604	=	1.342
10.	825	+	485	=	1.310