Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	575	+		=	807
2.	814	+		=	1.368
3.	932	+		=	1.772
4.	492	+		=	806
5.	952	+		=	1.329
6.	339	+		=	641
7.	596	+		=	913
8.	581	+		=	820
9.	749	+		=	1.433
10.	635	+		=	978

Oefening 2
1.	960	+		=	1.329
2.	241	+		=	445
3.	679	+		=	1.228
4.	844	+		=	1.193
5.	464	+		=	668
6.	948	+		=	1.160
7.	918	+		=	1.795
8.	732	+		=	964
9.	828	+		=	1.065
10.	846	+		=	1.179

Oefening 3
1.	448	+		=	777
2.	817	+		=	1.633
3.	911	+		=	1.472
4.	662	+		=	905
5.	912	+		=	1.756
6.	666	+		=	1.192
7.	697	+		=	1.303
8.	968	+		=	1.898
9.	613	+		=	874
10.	520	+		=	887

Oefening 4
1.	828	+		=	1.214
2.	953	+		=	1.382
3.	806	+		=	1.538
4.	870	+		=	1.301
5.	772	+		=	1.043
6.	800	+		=	1.561
7.	416	+		=	664
8.	694	+		=	1.233
9.	787	+		=	1.548
10.	850	+		=	1.200

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	575	+	232	=	807
2.	814	+	554	=	1.368
3.	932	+	840	=	1.772
4.	492	+	314	=	806
5.	952	+	377	=	1.329
6.	339	+	302	=	641
7.	596	+	317	=	913
8.	581	+	239	=	820
9.	749	+	684	=	1.433
10.	635	+	343	=	978

Oefening 2
1.	960	+	369	=	1.329
2.	241	+	204	=	445
3.	679	+	549	=	1.228
4.	844	+	349	=	1.193
5.	464	+	204	=	668
6.	948	+	212	=	1.160
7.	918	+	877	=	1.795
8.	732	+	232	=	964
9.	828	+	237	=	1.065
10.	846	+	333	=	1.179

Oefening 3
1.	448	+	329	=	777
2.	817	+	816	=	1.633
3.	911	+	561	=	1.472
4.	662	+	243	=	905
5.	912	+	844	=	1.756
6.	666	+	526	=	1.192
7.	697	+	606	=	1.303
8.	968	+	930	=	1.898
9.	613	+	261	=	874
10.	520	+	367	=	887

Oefening 4
1.	828	+	386	=	1.214
2.	953	+	429	=	1.382
3.	806	+	732	=	1.538
4.	870	+	431	=	1.301
5.	772	+	271	=	1.043
6.	800	+	761	=	1.561
7.	416	+	248	=	664
8.	694	+	539	=	1.233
9.	787	+	761	=	1.548
10.	850	+	350	=	1.200