Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	721	+		=	1.156
2.	526	+		=	890
3.	472	+		=	758
4.	911	+		=	1.455
5.	211	+		=	411
6.	786	+		=	1.189
7.	782	+		=	1.241
8.	901	+		=	1.727
9.	986	+		=	1.887
10.	402	+		=	786

Oefening 2
1.	883	+		=	1.646
2.	839	+		=	1.490
3.	657	+		=	1.302
4.	940	+		=	1.158
5.	286	+		=	495
6.	964	+		=	1.418
7.	745	+		=	1.301
8.	629	+		=	1.150
9.	581	+		=	845
10.	839	+		=	1.408

Oefening 3
1.	968	+		=	1.266
2.	618	+		=	846
3.	496	+		=	981
4.	555	+		=	950
5.	668	+		=	1.173
6.	595	+		=	972
7.	674	+		=	1.025
8.	879	+		=	1.603
9.	935	+		=	1.758
10.	956	+		=	1.731

Oefening 4
1.	908	+		=	1.733
2.	830	+		=	1.078
3.	750	+		=	1.075
4.	553	+		=	788
5.	739	+		=	1.139
6.	921	+		=	1.533
7.	465	+		=	783
8.	630	+		=	912
9.	601	+		=	1.193
10.	538	+		=	772

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	721	+	435	=	1.156
2.	526	+	364	=	890
3.	472	+	286	=	758
4.	911	+	544	=	1.455
5.	211	+	200	=	411
6.	786	+	403	=	1.189
7.	782	+	459	=	1.241
8.	901	+	826	=	1.727
9.	986	+	901	=	1.887
10.	402	+	384	=	786

Oefening 2
1.	883	+	763	=	1.646
2.	839	+	651	=	1.490
3.	657	+	645	=	1.302
4.	940	+	218	=	1.158
5.	286	+	209	=	495
6.	964	+	454	=	1.418
7.	745	+	556	=	1.301
8.	629	+	521	=	1.150
9.	581	+	264	=	845
10.	839	+	569	=	1.408

Oefening 3
1.	968	+	298	=	1.266
2.	618	+	228	=	846
3.	496	+	485	=	981
4.	555	+	395	=	950
5.	668	+	505	=	1.173
6.	595	+	377	=	972
7.	674	+	351	=	1.025
8.	879	+	724	=	1.603
9.	935	+	823	=	1.758
10.	956	+	775	=	1.731

Oefening 4
1.	908	+	825	=	1.733
2.	830	+	248	=	1.078
3.	750	+	325	=	1.075
4.	553	+	235	=	788
5.	739	+	400	=	1.139
6.	921	+	612	=	1.533
7.	465	+	318	=	783
8.	630	+	282	=	912
9.	601	+	592	=	1.193
10.	538	+	234	=	772