Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	351	+		=	591
2.	322	+		=	572
3.	290	+		=	526
4.	278	+		=	505
5.	404	+		=	762
6.	190	+		=	302
7.	453	+		=	857
8.	322	+		=	623
9.	247	+		=	414
10.	275	+		=	482

Oefening 2
1.	157	+		=	311
2.	322	+		=	589
3.	452	+		=	860
4.	412	+		=	796
5.	400	+		=	658
6.	372	+		=	680
7.	400	+		=	788
8.	490	+		=	628
9.	268	+		=	424
10.	488	+		=	706

Oefening 3
1.	404	+		=	585
2.	344	+		=	472
3.	405	+		=	754
4.	454	+		=	787
5.	366	+		=	620
6.	471	+		=	663
7.	305	+		=	520
8.	372	+		=	692
9.	276	+		=	401
10.	492	+		=	685

Oefening 4
1.	482	+		=	897
2.	500	+		=	704
3.	334	+		=	645
4.	476	+		=	941
5.	139	+		=	274
6.	450	+		=	756
7.	499	+		=	860
8.	283	+		=	500
9.	411	+		=	705
10.	238	+		=	461

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	351	+	240	=	591
2.	322	+	250	=	572
3.	290	+	236	=	526
4.	278	+	227	=	505
5.	404	+	358	=	762
6.	190	+	112	=	302
7.	453	+	404	=	857
8.	322	+	301	=	623
9.	247	+	167	=	414
10.	275	+	207	=	482

Oefening 2
1.	157	+	154	=	311
2.	322	+	267	=	589
3.	452	+	408	=	860
4.	412	+	384	=	796
5.	400	+	258	=	658
6.	372	+	308	=	680
7.	400	+	388	=	788
8.	490	+	138	=	628
9.	268	+	156	=	424
10.	488	+	218	=	706

Oefening 3
1.	404	+	181	=	585
2.	344	+	128	=	472
3.	405	+	349	=	754
4.	454	+	333	=	787
5.	366	+	254	=	620
6.	471	+	192	=	663
7.	305	+	215	=	520
8.	372	+	320	=	692
9.	276	+	125	=	401
10.	492	+	193	=	685

Oefening 4
1.	482	+	415	=	897
2.	500	+	204	=	704
3.	334	+	311	=	645
4.	476	+	465	=	941
5.	139	+	135	=	274
6.	450	+	306	=	756
7.	499	+	361	=	860
8.	283	+	217	=	500
9.	411	+	294	=	705
10.	238	+	223	=	461