Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	449	+		=	865
2.	879	+		=	1.593
3.	744	+		=	1.243
4.	1.000	+		=	1.327
5.	877	+		=	1.132
6.	862	+		=	1.123
7.	995	+		=	1.744
8.	352	+		=	555
9.	860	+		=	1.603
10.	856	+		=	1.690

Oefening 2
1.	895	+		=	1.113
2.	577	+		=	830
3.	365	+		=	676
4.	686	+		=	989
5.	954	+		=	1.896
6.	887	+		=	1.618
7.	921	+		=	1.132
8.	987	+		=	1.967
9.	860	+		=	1.401
10.	892	+		=	1.283

Oefening 3
1.	987	+		=	1.579
2.	631	+		=	991
3.	890	+		=	1.189
4.	809	+		=	1.349
5.	581	+		=	902
6.	921	+		=	1.471
7.	500	+		=	725
8.	871	+		=	1.509
9.	999	+		=	1.988
10.	773	+		=	1.263

Oefening 4
1.	358	+		=	570
2.	270	+		=	491
3.	560	+		=	1.061
4.	972	+		=	1.571
5.	491	+		=	830
6.	592	+		=	1.164
7.	540	+		=	1.048
8.	506	+		=	764
9.	621	+		=	942
10.	620	+		=	848

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	449	+	416	=	865
2.	879	+	714	=	1.593
3.	744	+	499	=	1.243
4.	1.000	+	327	=	1.327
5.	877	+	255	=	1.132
6.	862	+	261	=	1.123
7.	995	+	749	=	1.744
8.	352	+	203	=	555
9.	860	+	743	=	1.603
10.	856	+	834	=	1.690

Oefening 2
1.	895	+	218	=	1.113
2.	577	+	253	=	830
3.	365	+	311	=	676
4.	686	+	303	=	989
5.	954	+	942	=	1.896
6.	887	+	731	=	1.618
7.	921	+	211	=	1.132
8.	987	+	980	=	1.967
9.	860	+	541	=	1.401
10.	892	+	391	=	1.283

Oefening 3
1.	987	+	592	=	1.579
2.	631	+	360	=	991
3.	890	+	299	=	1.189
4.	809	+	540	=	1.349
5.	581	+	321	=	902
6.	921	+	550	=	1.471
7.	500	+	225	=	725
8.	871	+	638	=	1.509
9.	999	+	989	=	1.988
10.	773	+	490	=	1.263

Oefening 4
1.	358	+	212	=	570
2.	270	+	221	=	491
3.	560	+	501	=	1.061
4.	972	+	599	=	1.571
5.	491	+	339	=	830
6.	592	+	572	=	1.164
7.	540	+	508	=	1.048
8.	506	+	258	=	764
9.	621	+	321	=	942
10.	620	+	228	=	848