Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	553	+		=	784
2.	986	+		=	1.911
3.	612	+		=	1.012
4.	750	+		=	1.438
5.	851	+		=	1.224
6.	903	+		=	1.546
7.	806	+		=	1.561
8.	683	+		=	948
9.	833	+		=	1.467
10.	666	+		=	928

Oefening 2
1.	553	+		=	1.060
2.	964	+		=	1.541
3.	565	+		=	918
4.	766	+		=	1.013
5.	645	+		=	885
6.	913	+		=	1.681
7.	674	+		=	1.146
8.	698	+		=	973
9.	713	+		=	948
10.	759	+		=	1.415

Oefening 3
1.	507	+		=	957
2.	763	+		=	1.524
3.	697	+		=	1.285
4.	982	+		=	1.251
5.	951	+		=	1.722
6.	635	+		=	999
7.	711	+		=	1.354
8.	670	+		=	1.250
9.	759	+		=	1.383
10.	907	+		=	1.619

Oefening 4
1.	936	+		=	1.429
2.	315	+		=	594
3.	698	+		=	1.261
4.	925	+		=	1.169
5.	932	+		=	1.323
6.	704	+		=	1.206
7.	843	+		=	1.226
8.	388	+		=	659
9.	367	+		=	693
10.	506	+		=	764

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	553	+	231	=	784
2.	986	+	925	=	1.911
3.	612	+	400	=	1.012
4.	750	+	688	=	1.438
5.	851	+	373	=	1.224
6.	903	+	643	=	1.546
7.	806	+	755	=	1.561
8.	683	+	265	=	948
9.	833	+	634	=	1.467
10.	666	+	262	=	928

Oefening 2
1.	553	+	507	=	1.060
2.	964	+	577	=	1.541
3.	565	+	353	=	918
4.	766	+	247	=	1.013
5.	645	+	240	=	885
6.	913	+	768	=	1.681
7.	674	+	472	=	1.146
8.	698	+	275	=	973
9.	713	+	235	=	948
10.	759	+	656	=	1.415

Oefening 3
1.	507	+	450	=	957
2.	763	+	761	=	1.524
3.	697	+	588	=	1.285
4.	982	+	269	=	1.251
5.	951	+	771	=	1.722
6.	635	+	364	=	999
7.	711	+	643	=	1.354
8.	670	+	580	=	1.250
9.	759	+	624	=	1.383
10.	907	+	712	=	1.619

Oefening 4
1.	936	+	493	=	1.429
2.	315	+	279	=	594
3.	698	+	563	=	1.261
4.	925	+	244	=	1.169
5.	932	+	391	=	1.323
6.	704	+	502	=	1.206
7.	843	+	383	=	1.226
8.	388	+	271	=	659
9.	367	+	326	=	693
10.	506	+	258	=	764