Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	842	+		=	1.205
2.	357	+		=	601
3.	940	+		=	1.625
4.	981	+		=	1.898
5.	620	+		=	992
6.	689	+		=	1.071
7.	712	+		=	980
8.	991	+		=	1.786
9.	460	+		=	729
10.	821	+		=	1.495

Oefening 2
1.	685	+		=	981
2.	694	+		=	1.271
3.	820	+		=	1.256
4.	505	+		=	1.009
5.	656	+		=	1.175
6.	988	+		=	1.416
7.	964	+		=	1.189
8.	528	+		=	874
9.	975	+		=	1.526
10.	917	+		=	1.161

Oefening 3
1.	749	+		=	1.446
2.	987	+		=	1.395
3.	639	+		=	894
4.	771	+		=	1.104
5.	533	+		=	959
6.	390	+		=	632
7.	777	+		=	1.052
8.	410	+		=	769
9.	840	+		=	1.202
10.	363	+		=	622

Oefening 4
1.	916	+		=	1.201
2.	284	+		=	523
3.	739	+		=	1.289
4.	737	+		=	1.198
5.	981	+		=	1.565
6.	897	+		=	1.405
7.	410	+		=	692
8.	794	+		=	1.374
9.	638	+		=	897
10.	896	+		=	1.516

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	842	+	363	=	1.205
2.	357	+	244	=	601
3.	940	+	685	=	1.625
4.	981	+	917	=	1.898
5.	620	+	372	=	992
6.	689	+	382	=	1.071
7.	712	+	268	=	980
8.	991	+	795	=	1.786
9.	460	+	269	=	729
10.	821	+	674	=	1.495

Oefening 2
1.	685	+	296	=	981
2.	694	+	577	=	1.271
3.	820	+	436	=	1.256
4.	505	+	504	=	1.009
5.	656	+	519	=	1.175
6.	988	+	428	=	1.416
7.	964	+	225	=	1.189
8.	528	+	346	=	874
9.	975	+	551	=	1.526
10.	917	+	244	=	1.161

Oefening 3
1.	749	+	697	=	1.446
2.	987	+	408	=	1.395
3.	639	+	255	=	894
4.	771	+	333	=	1.104
5.	533	+	426	=	959
6.	390	+	242	=	632
7.	777	+	275	=	1.052
8.	410	+	359	=	769
9.	840	+	362	=	1.202
10.	363	+	259	=	622

Oefening 4
1.	916	+	285	=	1.201
2.	284	+	239	=	523
3.	739	+	550	=	1.289
4.	737	+	461	=	1.198
5.	981	+	584	=	1.565
6.	897	+	508	=	1.405
7.	410	+	282	=	692
8.	794	+	580	=	1.374
9.	638	+	259	=	897
10.	896	+	620	=	1.516