Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	538	+		=	991
2.	492	+		=	852
3.	253	+		=	479
4.	910	+		=	1.478
5.	806	+		=	1.207
6.	485	+		=	811
7.	915	+		=	1.621
8.	691	+		=	1.028
9.	709	+		=	1.064
10.	864	+		=	1.318

Oefening 2
1.	744	+		=	1.423
2.	312	+		=	599
3.	638	+		=	1.186
4.	728	+		=	1.076
5.	976	+		=	1.872
6.	383	+		=	648
7.	315	+		=	571
8.	968	+		=	1.248
9.	746	+		=	1.305
10.	941	+		=	1.270

Oefening 3
1.	865	+		=	1.119
2.	608	+		=	1.192
3.	834	+		=	1.446
4.	816	+		=	1.085
5.	522	+		=	884
6.	588	+		=	1.071
7.	878	+		=	1.275
8.	640	+		=	881
9.	660	+		=	1.260
10.	819	+		=	1.519

Oefening 4
1.	650	+		=	958
2.	711	+		=	1.233
3.	852	+		=	1.289
4.	719	+		=	1.349
5.	607	+		=	1.111
6.	641	+		=	1.266
7.	610	+		=	1.107
8.	758	+		=	1.026
9.	830	+		=	1.609
10.	558	+		=	841

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	538	+	453	=	991
2.	492	+	360	=	852
3.	253	+	226	=	479
4.	910	+	568	=	1.478
5.	806	+	401	=	1.207
6.	485	+	326	=	811
7.	915	+	706	=	1.621
8.	691	+	337	=	1.028
9.	709	+	355	=	1.064
10.	864	+	454	=	1.318

Oefening 2
1.	744	+	679	=	1.423
2.	312	+	287	=	599
3.	638	+	548	=	1.186
4.	728	+	348	=	1.076
5.	976	+	896	=	1.872
6.	383	+	265	=	648
7.	315	+	256	=	571
8.	968	+	280	=	1.248
9.	746	+	559	=	1.305
10.	941	+	329	=	1.270

Oefening 3
1.	865	+	254	=	1.119
2.	608	+	584	=	1.192
3.	834	+	612	=	1.446
4.	816	+	269	=	1.085
5.	522	+	362	=	884
6.	588	+	483	=	1.071
7.	878	+	397	=	1.275
8.	640	+	241	=	881
9.	660	+	600	=	1.260
10.	819	+	700	=	1.519

Oefening 4
1.	650	+	308	=	958
2.	711	+	522	=	1.233
3.	852	+	437	=	1.289
4.	719	+	630	=	1.349
5.	607	+	504	=	1.111
6.	641	+	625	=	1.266
7.	610	+	497	=	1.107
8.	758	+	268	=	1.026
9.	830	+	779	=	1.609
10.	558	+	283	=	841