Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	942	+		=	1.579
2.	832	+		=	1.221
3.	920	+		=	1.818
4.	535	+		=	941
5.	985	+		=	1.825
6.	424	+		=	812
7.	501	+		=	811
8.	721	+		=	1.129
9.	688	+		=	1.313
10.	853	+		=	1.453

Oefening 2
1.	743	+		=	1.003
2.	360	+		=	693
3.	800	+		=	1.441
4.	895	+		=	1.290
5.	871	+		=	1.390
6.	302	+		=	574
7.	697	+		=	1.141
8.	886	+		=	1.736
9.	303	+		=	589
10.	541	+		=	760

Oefening 3
1.	893	+		=	1.453
2.	546	+		=	751
3.	671	+		=	1.177
4.	965	+		=	1.769
5.	568	+		=	1.133
6.	897	+		=	1.398
7.	791	+		=	1.512
8.	688	+		=	1.174
9.	774	+		=	1.216
10.	801	+		=	1.505

Oefening 4
1.	779	+		=	1.268
2.	570	+		=	1.006
3.	658	+		=	1.236
4.	889	+		=	1.282
5.	686	+		=	1.357
6.	327	+		=	527
7.	487	+		=	920
8.	857	+		=	1.365
9.	473	+		=	685
10.	918	+		=	1.714

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	942	+	637	=	1.579
2.	832	+	389	=	1.221
3.	920	+	898	=	1.818
4.	535	+	406	=	941
5.	985	+	840	=	1.825
6.	424	+	388	=	812
7.	501	+	310	=	811
8.	721	+	408	=	1.129
9.	688	+	625	=	1.313
10.	853	+	600	=	1.453

Oefening 2
1.	743	+	260	=	1.003
2.	360	+	333	=	693
3.	800	+	641	=	1.441
4.	895	+	395	=	1.290
5.	871	+	519	=	1.390
6.	302	+	272	=	574
7.	697	+	444	=	1.141
8.	886	+	850	=	1.736
9.	303	+	286	=	589
10.	541	+	219	=	760

Oefening 3
1.	893	+	560	=	1.453
2.	546	+	205	=	751
3.	671	+	506	=	1.177
4.	965	+	804	=	1.769
5.	568	+	565	=	1.133
6.	897	+	501	=	1.398
7.	791	+	721	=	1.512
8.	688	+	486	=	1.174
9.	774	+	442	=	1.216
10.	801	+	704	=	1.505

Oefening 4
1.	779	+	489	=	1.268
2.	570	+	436	=	1.006
3.	658	+	578	=	1.236
4.	889	+	393	=	1.282
5.	686	+	671	=	1.357
6.	327	+	200	=	527
7.	487	+	433	=	920
8.	857	+	508	=	1.365
9.	473	+	212	=	685
10.	918	+	796	=	1.714