Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	903	+		=	1.742
2.	867	+		=	1.339
3.	874	+		=	1.746
4.	817	+		=	1.295
5.	715	+		=	1.380
6.	880	+		=	1.524
7.	993	+		=	1.744
8.	758	+		=	1.436
9.	927	+		=	1.625
10.	597	+		=	838

Oefening 2
1.	497	+		=	977
2.	919	+		=	1.823
3.	887	+		=	1.329
4.	566	+		=	1.011
5.	740	+		=	1.239
6.	411	+		=	699
7.	627	+		=	1.241
8.	964	+		=	1.218
9.	727	+		=	1.024
10.	797	+		=	1.373

Oefening 3
1.	872	+		=	1.594
2.	568	+		=	913
3.	976	+		=	1.260
4.	495	+		=	765
5.	419	+		=	663
6.	821	+		=	1.453
7.	467	+		=	861
8.	737	+		=	1.020
9.	539	+		=	766
10.	814	+		=	1.129

Oefening 4
1.	973	+		=	1.885
2.	540	+		=	853
3.	965	+		=	1.230
4.	781	+		=	1.421
5.	817	+		=	1.479
6.	931	+		=	1.730
7.	816	+		=	1.180
8.	680	+		=	945
9.	710	+		=	1.249
10.	680	+		=	1.356

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	903	+	839	=	1.742
2.	867	+	472	=	1.339
3.	874	+	872	=	1.746
4.	817	+	478	=	1.295
5.	715	+	665	=	1.380
6.	880	+	644	=	1.524
7.	993	+	751	=	1.744
8.	758	+	678	=	1.436
9.	927	+	698	=	1.625
10.	597	+	241	=	838

Oefening 2
1.	497	+	480	=	977
2.	919	+	904	=	1.823
3.	887	+	442	=	1.329
4.	566	+	445	=	1.011
5.	740	+	499	=	1.239
6.	411	+	288	=	699
7.	627	+	614	=	1.241
8.	964	+	254	=	1.218
9.	727	+	297	=	1.024
10.	797	+	576	=	1.373

Oefening 3
1.	872	+	722	=	1.594
2.	568	+	345	=	913
3.	976	+	284	=	1.260
4.	495	+	270	=	765
5.	419	+	244	=	663
6.	821	+	632	=	1.453
7.	467	+	394	=	861
8.	737	+	283	=	1.020
9.	539	+	227	=	766
10.	814	+	315	=	1.129

Oefening 4
1.	973	+	912	=	1.885
2.	540	+	313	=	853
3.	965	+	265	=	1.230
4.	781	+	640	=	1.421
5.	817	+	662	=	1.479
6.	931	+	799	=	1.730
7.	816	+	364	=	1.180
8.	680	+	265	=	945
9.	710	+	539	=	1.249
10.	680	+	676	=	1.356