Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	360	+		=	625
2.	913	+		=	1.235
3.	877	+		=	1.147
4.	829	+		=	1.136
5.	910	+		=	1.125
6.	749	+		=	1.268
7.	806	+		=	1.430
8.	736	+		=	1.240
9.	596	+		=	946
10.	853	+		=	1.134

Oefening 2
1.	421	+		=	705
2.	888	+		=	1.454
3.	869	+		=	1.122
4.	742	+		=	1.194
5.	677	+		=	1.027
6.	778	+		=	1.233
7.	829	+		=	1.321
8.	984	+		=	1.704
9.	509	+		=	819
10.	362	+		=	614

Oefening 3
1.	944	+		=	1.242
2.	659	+		=	1.054
3.	893	+		=	1.633
4.	534	+		=	751
5.	971	+		=	1.452
6.	865	+		=	1.409
7.	482	+		=	864
8.	942	+		=	1.306
9.	572	+		=	1.035
10.	995	+		=	1.649

Oefening 4
1.	788	+		=	1.572
2.	433	+		=	690
3.	991	+		=	1.840
4.	925	+		=	1.559
5.	692	+		=	1.180
6.	942	+		=	1.244
7.	397	+		=	771
8.	733	+		=	1.080
9.	759	+		=	1.234
10.	930	+		=	1.516

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	360	+	265	=	625
2.	913	+	322	=	1.235
3.	877	+	270	=	1.147
4.	829	+	307	=	1.136
5.	910	+	215	=	1.125
6.	749	+	519	=	1.268
7.	806	+	624	=	1.430
8.	736	+	504	=	1.240
9.	596	+	350	=	946
10.	853	+	281	=	1.134

Oefening 2
1.	421	+	284	=	705
2.	888	+	566	=	1.454
3.	869	+	253	=	1.122
4.	742	+	452	=	1.194
5.	677	+	350	=	1.027
6.	778	+	455	=	1.233
7.	829	+	492	=	1.321
8.	984	+	720	=	1.704
9.	509	+	310	=	819
10.	362	+	252	=	614

Oefening 3
1.	944	+	298	=	1.242
2.	659	+	395	=	1.054
3.	893	+	740	=	1.633
4.	534	+	217	=	751
5.	971	+	481	=	1.452
6.	865	+	544	=	1.409
7.	482	+	382	=	864
8.	942	+	364	=	1.306
9.	572	+	463	=	1.035
10.	995	+	654	=	1.649

Oefening 4
1.	788	+	784	=	1.572
2.	433	+	257	=	690
3.	991	+	849	=	1.840
4.	925	+	634	=	1.559
5.	692	+	488	=	1.180
6.	942	+	302	=	1.244
7.	397	+	374	=	771
8.	733	+	347	=	1.080
9.	759	+	475	=	1.234
10.	930	+	586	=	1.516