Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	430	+		=	790
2.	898	+		=	1.626
3.	747	+		=	1.358
4.	604	+		=	1.127
5.	564	+		=	1.012
6.	771	+		=	1.445
7.	758	+		=	1.370
8.	510	+		=	879
9.	471	+		=	680
10.	460	+		=	791

Oefening 2
1.	857	+		=	1.604
2.	857	+		=	1.384
3.	468	+		=	841
4.	272	+		=	474
5.	645	+		=	1.181
6.	947	+		=	1.763
7.	480	+		=	746
8.	791	+		=	1.103
9.	560	+		=	1.045
10.	904	+		=	1.166

Oefening 3
1.	806	+		=	1.546
2.	804	+		=	1.145
3.	883	+		=	1.168
4.	291	+		=	541
5.	978	+		=	1.891
6.	432	+		=	633
7.	923	+		=	1.619
8.	946	+		=	1.580
9.	605	+		=	946
10.	705	+		=	1.327

Oefening 4
1.	944	+		=	1.163
2.	744	+		=	1.446
3.	575	+		=	800
4.	916	+		=	1.193
5.	565	+		=	765
6.	864	+		=	1.364
7.	658	+		=	1.241
8.	601	+		=	1.128
9.	632	+		=	983
10.	592	+		=	957

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	430	+	360	=	790
2.	898	+	728	=	1.626
3.	747	+	611	=	1.358
4.	604	+	523	=	1.127
5.	564	+	448	=	1.012
6.	771	+	674	=	1.445
7.	758	+	612	=	1.370
8.	510	+	369	=	879
9.	471	+	209	=	680
10.	460	+	331	=	791

Oefening 2
1.	857	+	747	=	1.604
2.	857	+	527	=	1.384
3.	468	+	373	=	841
4.	272	+	202	=	474
5.	645	+	536	=	1.181
6.	947	+	816	=	1.763
7.	480	+	266	=	746
8.	791	+	312	=	1.103
9.	560	+	485	=	1.045
10.	904	+	262	=	1.166

Oefening 3
1.	806	+	740	=	1.546
2.	804	+	341	=	1.145
3.	883	+	285	=	1.168
4.	291	+	250	=	541
5.	978	+	913	=	1.891
6.	432	+	201	=	633
7.	923	+	696	=	1.619
8.	946	+	634	=	1.580
9.	605	+	341	=	946
10.	705	+	622	=	1.327

Oefening 4
1.	944	+	219	=	1.163
2.	744	+	702	=	1.446
3.	575	+	225	=	800
4.	916	+	277	=	1.193
5.	565	+	200	=	765
6.	864	+	500	=	1.364
7.	658	+	583	=	1.241
8.	601	+	527	=	1.128
9.	632	+	351	=	983
10.	592	+	365	=	957