Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	567	+		=	933
2.	981	+		=	1.462
3.	781	+		=	1.157
4.	767	+		=	1.118
5.	858	+		=	1.243
6.	846	+		=	1.182
7.	994	+		=	1.294
8.	352	+		=	618
9.	767	+		=	1.262
10.	251	+		=	469

Oefening 2
1.	997	+		=	1.864
2.	768	+		=	1.074
3.	382	+		=	644
4.	722	+		=	1.126
5.	905	+		=	1.280
6.	553	+		=	828
7.	929	+		=	1.574
8.	877	+		=	1.237
9.	767	+		=	990
10.	945	+		=	1.255

Oefening 3
1.	975	+		=	1.496
2.	622	+		=	1.091
3.	279	+		=	485
4.	489	+		=	880
5.	533	+		=	1.008
6.	907	+		=	1.240
7.	744	+		=	1.366
8.	833	+		=	1.545
9.	772	+		=	1.153
10.	521	+		=	760

Oefening 4
1.	823	+		=	1.141
2.	790	+		=	1.538
3.	800	+		=	1.484
4.	855	+		=	1.524
5.	454	+		=	801
6.	716	+		=	1.224
7.	833	+		=	1.092
8.	695	+		=	1.049
9.	735	+		=	1.418
10.	885	+		=	1.653

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	567	+	366	=	933
2.	981	+	481	=	1.462
3.	781	+	376	=	1.157
4.	767	+	351	=	1.118
5.	858	+	385	=	1.243
6.	846	+	336	=	1.182
7.	994	+	300	=	1.294
8.	352	+	266	=	618
9.	767	+	495	=	1.262
10.	251	+	218	=	469

Oefening 2
1.	997	+	867	=	1.864
2.	768	+	306	=	1.074
3.	382	+	262	=	644
4.	722	+	404	=	1.126
5.	905	+	375	=	1.280
6.	553	+	275	=	828
7.	929	+	645	=	1.574
8.	877	+	360	=	1.237
9.	767	+	223	=	990
10.	945	+	310	=	1.255

Oefening 3
1.	975	+	521	=	1.496
2.	622	+	469	=	1.091
3.	279	+	206	=	485
4.	489	+	391	=	880
5.	533	+	475	=	1.008
6.	907	+	333	=	1.240
7.	744	+	622	=	1.366
8.	833	+	712	=	1.545
9.	772	+	381	=	1.153
10.	521	+	239	=	760

Oefening 4
1.	823	+	318	=	1.141
2.	790	+	748	=	1.538
3.	800	+	684	=	1.484
4.	855	+	669	=	1.524
5.	454	+	347	=	801
6.	716	+	508	=	1.224
7.	833	+	259	=	1.092
8.	695	+	354	=	1.049
9.	735	+	683	=	1.418
10.	885	+	768	=	1.653