Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	720	+		=	959
2.	236	+		=	458
3.	832	+		=	1.615
4.	694	+		=	1.250
5.	967	+		=	1.582
6.	660	+		=	866
7.	910	+		=	1.600
8.	870	+		=	1.159
9.	751	+		=	1.064
10.	616	+		=	1.184

Oefening 2
1.	815	+		=	1.101
2.	759	+		=	1.414
3.	545	+		=	970
4.	890	+		=	1.140
5.	931	+		=	1.612
6.	706	+		=	1.291
7.	670	+		=	1.221
8.	882	+		=	1.353
9.	935	+		=	1.676
10.	500	+		=	789

Oefening 3
1.	425	+		=	694
2.	842	+		=	1.567
3.	892	+		=	1.175
4.	945	+		=	1.374
5.	965	+		=	1.465
6.	877	+		=	1.327
7.	982	+		=	1.772
8.	830	+		=	1.632
9.	774	+		=	982
10.	864	+		=	1.080

Oefening 4
1.	990	+		=	1.446
2.	786	+		=	1.482
3.	919	+		=	1.294
4.	749	+		=	987
5.	950	+		=	1.462
6.	674	+		=	964
7.	797	+		=	1.146
8.	808	+		=	1.327
9.	756	+		=	1.366
10.	887	+		=	1.479

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	720	+	239	=	959
2.	236	+	222	=	458
3.	832	+	783	=	1.615
4.	694	+	556	=	1.250
5.	967	+	615	=	1.582
6.	660	+	206	=	866
7.	910	+	690	=	1.600
8.	870	+	289	=	1.159
9.	751	+	313	=	1.064
10.	616	+	568	=	1.184

Oefening 2
1.	815	+	286	=	1.101
2.	759	+	655	=	1.414
3.	545	+	425	=	970
4.	890	+	250	=	1.140
5.	931	+	681	=	1.612
6.	706	+	585	=	1.291
7.	670	+	551	=	1.221
8.	882	+	471	=	1.353
9.	935	+	741	=	1.676
10.	500	+	289	=	789

Oefening 3
1.	425	+	269	=	694
2.	842	+	725	=	1.567
3.	892	+	283	=	1.175
4.	945	+	429	=	1.374
5.	965	+	500	=	1.465
6.	877	+	450	=	1.327
7.	982	+	790	=	1.772
8.	830	+	802	=	1.632
9.	774	+	208	=	982
10.	864	+	216	=	1.080

Oefening 4
1.	990	+	456	=	1.446
2.	786	+	696	=	1.482
3.	919	+	375	=	1.294
4.	749	+	238	=	987
5.	950	+	512	=	1.462
6.	674	+	290	=	964
7.	797	+	349	=	1.146
8.	808	+	519	=	1.327
9.	756	+	610	=	1.366
10.	887	+	592	=	1.479