Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	678	+		=	1.215
2.	545	+		=	1.042
3.	930	+		=	1.254
4.	328	+		=	574
5.	754	+		=	1.496
6.	560	+		=	849
7.	740	+		=	958
8.	835	+		=	1.064
9.	638	+		=	864
10.	937	+		=	1.248

Oefening 2
1.	668	+		=	1.301
2.	303	+		=	512
3.	428	+		=	829
4.	919	+		=	1.526
5.	642	+		=	882
6.	612	+		=	1.040
7.	259	+		=	484
8.	703	+		=	1.341
9.	709	+		=	1.389
10.	540	+		=	1.052

Oefening 3
1.	986	+		=	1.668
2.	483	+		=	765
3.	843	+		=	1.063
4.	987	+		=	1.432
5.	817	+		=	1.172
6.	694	+		=	1.293
7.	691	+		=	978
8.	625	+		=	1.084
9.	1.000	+		=	1.510
10.	733	+		=	1.048

Oefening 4
1.	771	+		=	1.013
2.	709	+		=	984
3.	352	+		=	680
4.	892	+		=	1.628
5.	697	+		=	1.316
6.	652	+		=	1.112
7.	605	+		=	1.090
8.	636	+		=	1.067
9.	556	+		=	1.064
10.	825	+		=	1.435

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	678	+	537	=	1.215
2.	545	+	497	=	1.042
3.	930	+	324	=	1.254
4.	328	+	246	=	574
5.	754	+	742	=	1.496
6.	560	+	289	=	849
7.	740	+	218	=	958
8.	835	+	229	=	1.064
9.	638	+	226	=	864
10.	937	+	311	=	1.248

Oefening 2
1.	668	+	633	=	1.301
2.	303	+	209	=	512
3.	428	+	401	=	829
4.	919	+	607	=	1.526
5.	642	+	240	=	882
6.	612	+	428	=	1.040
7.	259	+	225	=	484
8.	703	+	638	=	1.341
9.	709	+	680	=	1.389
10.	540	+	512	=	1.052

Oefening 3
1.	986	+	682	=	1.668
2.	483	+	282	=	765
3.	843	+	220	=	1.063
4.	987	+	445	=	1.432
5.	817	+	355	=	1.172
6.	694	+	599	=	1.293
7.	691	+	287	=	978
8.	625	+	459	=	1.084
9.	1.000	+	510	=	1.510
10.	733	+	315	=	1.048

Oefening 4
1.	771	+	242	=	1.013
2.	709	+	275	=	984
3.	352	+	328	=	680
4.	892	+	736	=	1.628
5.	697	+	619	=	1.316
6.	652	+	460	=	1.112
7.	605	+	485	=	1.090
8.	636	+	431	=	1.067
9.	556	+	508	=	1.064
10.	825	+	610	=	1.435