Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	908	+		=	1.498
2.	985	+		=	1.340
3.	923	+		=	1.460
4.	959	+		=	1.736
5.	989	+		=	1.403
6.	590	+		=	947
7.	537	+		=	1.039
8.	949	+		=	1.804
9.	691	+		=	1.088
10.	620	+		=	852

Oefening 2
1.	411	+		=	805
2.	323	+		=	587
3.	812	+		=	1.474
4.	857	+		=	1.207
5.	496	+		=	969
6.	891	+		=	1.322
7.	371	+		=	643
8.	902	+		=	1.657
9.	820	+		=	1.426
10.	537	+		=	1.007

Oefening 3
1.	485	+		=	871
2.	357	+		=	685
3.	480	+		=	824
4.	754	+		=	1.074
5.	626	+		=	1.073
6.	921	+		=	1.138
7.	957	+		=	1.823
8.	719	+		=	1.190
9.	959	+		=	1.871
10.	1.000	+		=	1.744

Oefening 4
1.	652	+		=	1.164
2.	541	+		=	789
3.	780	+		=	1.369
4.	930	+		=	1.575
5.	719	+		=	1.194
6.	398	+		=	755
7.	403	+		=	611
8.	816	+		=	1.431
9.	560	+		=	802
10.	842	+		=	1.056

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	908	+	590	=	1.498
2.	985	+	355	=	1.340
3.	923	+	537	=	1.460
4.	959	+	777	=	1.736
5.	989	+	414	=	1.403
6.	590	+	357	=	947
7.	537	+	502	=	1.039
8.	949	+	855	=	1.804
9.	691	+	397	=	1.088
10.	620	+	232	=	852

Oefening 2
1.	411	+	394	=	805
2.	323	+	264	=	587
3.	812	+	662	=	1.474
4.	857	+	350	=	1.207
5.	496	+	473	=	969
6.	891	+	431	=	1.322
7.	371	+	272	=	643
8.	902	+	755	=	1.657
9.	820	+	606	=	1.426
10.	537	+	470	=	1.007

Oefening 3
1.	485	+	386	=	871
2.	357	+	328	=	685
3.	480	+	344	=	824
4.	754	+	320	=	1.074
5.	626	+	447	=	1.073
6.	921	+	217	=	1.138
7.	957	+	866	=	1.823
8.	719	+	471	=	1.190
9.	959	+	912	=	1.871
10.	1.000	+	744	=	1.744

Oefening 4
1.	652	+	512	=	1.164
2.	541	+	248	=	789
3.	780	+	589	=	1.369
4.	930	+	645	=	1.575
5.	719	+	475	=	1.194
6.	398	+	357	=	755
7.	403	+	208	=	611
8.	816	+	615	=	1.431
9.	560	+	242	=	802
10.	842	+	214	=	1.056