Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	400	+		=	677
2.	598	+		=	801
3.	951	+		=	1.456
4.	652	+		=	1.070
5.	964	+		=	1.561
6.	291	+		=	540
7.	886	+		=	1.750
8.	887	+		=	1.130
9.	602	+		=	1.099
10.	440	+		=	716

Oefening 2
1.	999	+		=	1.919
2.	984	+		=	1.801
3.	980	+		=	1.403
4.	409	+		=	807
5.	738	+		=	1.224
6.	954	+		=	1.832
7.	345	+		=	570
8.	952	+		=	1.500
9.	906	+		=	1.377
10.	619	+		=	1.159

Oefening 3
1.	760	+		=	1.366
2.	972	+		=	1.634
3.	620	+		=	829
4.	952	+		=	1.516
5.	814	+		=	1.250
6.	472	+		=	772
7.	491	+		=	801
8.	865	+		=	1.150
9.	481	+		=	831
10.	338	+		=	611

Oefening 4
1.	984	+		=	1.394
2.	879	+		=	1.744
3.	576	+		=	824
4.	920	+		=	1.438
5.	625	+		=	912
6.	448	+		=	820
7.	939	+		=	1.526
8.	897	+		=	1.146
9.	856	+		=	1.620
10.	762	+		=	1.009

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	400	+	277	=	677
2.	598	+	203	=	801
3.	951	+	505	=	1.456
4.	652	+	418	=	1.070
5.	964	+	597	=	1.561
6.	291	+	249	=	540
7.	886	+	864	=	1.750
8.	887	+	243	=	1.130
9.	602	+	497	=	1.099
10.	440	+	276	=	716

Oefening 2
1.	999	+	920	=	1.919
2.	984	+	817	=	1.801
3.	980	+	423	=	1.403
4.	409	+	398	=	807
5.	738	+	486	=	1.224
6.	954	+	878	=	1.832
7.	345	+	225	=	570
8.	952	+	548	=	1.500
9.	906	+	471	=	1.377
10.	619	+	540	=	1.159

Oefening 3
1.	760	+	606	=	1.366
2.	972	+	662	=	1.634
3.	620	+	209	=	829
4.	952	+	564	=	1.516
5.	814	+	436	=	1.250
6.	472	+	300	=	772
7.	491	+	310	=	801
8.	865	+	285	=	1.150
9.	481	+	350	=	831
10.	338	+	273	=	611

Oefening 4
1.	984	+	410	=	1.394
2.	879	+	865	=	1.744
3.	576	+	248	=	824
4.	920	+	518	=	1.438
5.	625	+	287	=	912
6.	448	+	372	=	820
7.	939	+	587	=	1.526
8.	897	+	249	=	1.146
9.	856	+	764	=	1.620
10.	762	+	247	=	1.009