Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	643	+		=	1.264
2.	356	+		=	689
3.	932	+		=	1.566
4.	753	+		=	1.433
5.	455	+		=	795
6.	872	+		=	1.271
7.	859	+		=	1.402
8.	829	+		=	1.433
9.	490	+		=	712
10.	789	+		=	1.306

Oefening 2
1.	660	+		=	1.122
2.	789	+		=	1.061
3.	556	+		=	875
4.	933	+		=	1.525
5.	979	+		=	1.380
6.	882	+		=	1.325
7.	335	+		=	613
8.	704	+		=	1.160
9.	781	+		=	988
10.	978	+		=	1.674

Oefening 3
1.	489	+		=	779
2.	500	+		=	894
3.	778	+		=	1.119
4.	761	+		=	1.089
5.	781	+		=	1.182
6.	940	+		=	1.313
7.	431	+		=	841
8.	946	+		=	1.815
9.	766	+		=	1.203
10.	460	+		=	793

Oefening 4
1.	995	+		=	1.578
2.	792	+		=	1.367
3.	984	+		=	1.254
4.	321	+		=	542
5.	940	+		=	1.872
6.	869	+		=	1.152
7.	523	+		=	942
8.	979	+		=	1.751
9.	636	+		=	919
10.	458	+		=	692

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	643	+	621	=	1.264
2.	356	+	333	=	689
3.	932	+	634	=	1.566
4.	753	+	680	=	1.433
5.	455	+	340	=	795
6.	872	+	399	=	1.271
7.	859	+	543	=	1.402
8.	829	+	604	=	1.433
9.	490	+	222	=	712
10.	789	+	517	=	1.306

Oefening 2
1.	660	+	462	=	1.122
2.	789	+	272	=	1.061
3.	556	+	319	=	875
4.	933	+	592	=	1.525
5.	979	+	401	=	1.380
6.	882	+	443	=	1.325
7.	335	+	278	=	613
8.	704	+	456	=	1.160
9.	781	+	207	=	988
10.	978	+	696	=	1.674

Oefening 3
1.	489	+	290	=	779
2.	500	+	394	=	894
3.	778	+	341	=	1.119
4.	761	+	328	=	1.089
5.	781	+	401	=	1.182
6.	940	+	373	=	1.313
7.	431	+	410	=	841
8.	946	+	869	=	1.815
9.	766	+	437	=	1.203
10.	460	+	333	=	793

Oefening 4
1.	995	+	583	=	1.578
2.	792	+	575	=	1.367
3.	984	+	270	=	1.254
4.	321	+	221	=	542
5.	940	+	932	=	1.872
6.	869	+	283	=	1.152
7.	523	+	419	=	942
8.	979	+	772	=	1.751
9.	636	+	283	=	919
10.	458	+	234	=	692