Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	262	+		=	514
2.	990	+		=	1.712
3.	483	+		=	886
4.	578	+		=	1.150
5.	582	+		=	970
6.	517	+		=	882
7.	606	+		=	894
8.	862	+		=	1.269
9.	873	+		=	1.424
10.	536	+		=	749

Oefening 2
1.	302	+		=	508
2.	893	+		=	1.389
3.	468	+		=	773
4.	822	+		=	1.635
5.	610	+		=	1.020
6.	979	+		=	1.644
7.	967	+		=	1.753
8.	883	+		=	1.083
9.	454	+		=	718
10.	726	+		=	1.042

Oefening 3
1.	654	+		=	903
2.	544	+		=	953
3.	1.000	+		=	1.500
4.	260	+		=	475
5.	706	+		=	1.133
6.	945	+		=	1.806
7.	820	+		=	1.025
8.	730	+		=	947
9.	948	+		=	1.359
10.	478	+		=	728

Oefening 4
1.	962	+		=	1.266
2.	981	+		=	1.277
3.	719	+		=	1.374
4.	690	+		=	910
5.	440	+		=	874
6.	696	+		=	1.329
7.	628	+		=	909
8.	968	+		=	1.888
9.	571	+		=	885
10.	630	+		=	838

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	262	+	252	=	514
2.	990	+	722	=	1.712
3.	483	+	403	=	886
4.	578	+	572	=	1.150
5.	582	+	388	=	970
6.	517	+	365	=	882
7.	606	+	288	=	894
8.	862	+	407	=	1.269
9.	873	+	551	=	1.424
10.	536	+	213	=	749

Oefening 2
1.	302	+	206	=	508
2.	893	+	496	=	1.389
3.	468	+	305	=	773
4.	822	+	813	=	1.635
5.	610	+	410	=	1.020
6.	979	+	665	=	1.644
7.	967	+	786	=	1.753
8.	883	+	200	=	1.083
9.	454	+	264	=	718
10.	726	+	316	=	1.042

Oefening 3
1.	654	+	249	=	903
2.	544	+	409	=	953
3.	1.000	+	500	=	1.500
4.	260	+	215	=	475
5.	706	+	427	=	1.133
6.	945	+	861	=	1.806
7.	820	+	205	=	1.025
8.	730	+	217	=	947
9.	948	+	411	=	1.359
10.	478	+	250	=	728

Oefening 4
1.	962	+	304	=	1.266
2.	981	+	296	=	1.277
3.	719	+	655	=	1.374
4.	690	+	220	=	910
5.	440	+	434	=	874
6.	696	+	633	=	1.329
7.	628	+	281	=	909
8.	968	+	920	=	1.888
9.	571	+	314	=	885
10.	630	+	208	=	838