Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	497	+		=	980
2.	820	+		=	1.167
3.	284	+		=	495
4.	787	+		=	1.280
5.	744	+		=	1.253
6.	850	+		=	1.556
7.	532	+		=	779
8.	748	+		=	1.353
9.	895	+		=	1.440
10.	656	+		=	952

Oefening 2
1.	782	+		=	1.066
2.	981	+		=	1.593
3.	695	+		=	1.099
4.	629	+		=	1.106
5.	707	+		=	1.345
6.	744	+		=	1.164
7.	708	+		=	1.069
8.	890	+		=	1.311
9.	533	+		=	737
10.	959	+		=	1.554

Oefening 3
1.	968	+		=	1.279
2.	474	+		=	875
3.	895	+		=	1.683
4.	296	+		=	577
5.	333	+		=	643
6.	948	+		=	1.616
7.	972	+		=	1.902
8.	496	+		=	787
9.	990	+		=	1.193
10.	459	+		=	727

Oefening 4
1.	859	+		=	1.573
2.	983	+		=	1.867
3.	904	+		=	1.270
4.	976	+		=	1.181
5.	833	+		=	1.287
6.	574	+		=	917
7.	591	+		=	821
8.	959	+		=	1.644
9.	465	+		=	800
10.	902	+		=	1.392

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	497	+	483	=	980
2.	820	+	347	=	1.167
3.	284	+	211	=	495
4.	787	+	493	=	1.280
5.	744	+	509	=	1.253
6.	850	+	706	=	1.556
7.	532	+	247	=	779
8.	748	+	605	=	1.353
9.	895	+	545	=	1.440
10.	656	+	296	=	952

Oefening 2
1.	782	+	284	=	1.066
2.	981	+	612	=	1.593
3.	695	+	404	=	1.099
4.	629	+	477	=	1.106
5.	707	+	638	=	1.345
6.	744	+	420	=	1.164
7.	708	+	361	=	1.069
8.	890	+	421	=	1.311
9.	533	+	204	=	737
10.	959	+	595	=	1.554

Oefening 3
1.	968	+	311	=	1.279
2.	474	+	401	=	875
3.	895	+	788	=	1.683
4.	296	+	281	=	577
5.	333	+	310	=	643
6.	948	+	668	=	1.616
7.	972	+	930	=	1.902
8.	496	+	291	=	787
9.	990	+	203	=	1.193
10.	459	+	268	=	727

Oefening 4
1.	859	+	714	=	1.573
2.	983	+	884	=	1.867
3.	904	+	366	=	1.270
4.	976	+	205	=	1.181
5.	833	+	454	=	1.287
6.	574	+	343	=	917
7.	591	+	230	=	821
8.	959	+	685	=	1.644
9.	465	+	335	=	800
10.	902	+	490	=	1.392