Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	914	+		=	1.316
2.	752	+		=	1.378
3.	630	+		=	913
4.	626	+		=	928
5.	282	+		=	544
6.	910	+		=	1.235
7.	794	+		=	1.409
8.	561	+		=	1.022
9.	868	+		=	1.336
10.	635	+		=	1.078

Oefening 2
1.	479	+		=	913
2.	786	+		=	1.150
3.	904	+		=	1.687
4.	905	+		=	1.122
5.	545	+		=	781
6.	975	+		=	1.393
7.	755	+		=	1.503
8.	603	+		=	1.134
9.	596	+		=	1.027
10.	864	+		=	1.499

Oefening 3
1.	464	+		=	821
2.	673	+		=	1.149
3.	818	+		=	1.511
4.	859	+		=	1.666
5.	982	+		=	1.687
6.	457	+		=	817
7.	645	+		=	854
8.	600	+		=	891
9.	637	+		=	1.228
10.	833	+		=	1.380

Oefening 4
1.	489	+		=	829
2.	443	+		=	728
3.	998	+		=	1.939
4.	894	+		=	1.512
5.	919	+		=	1.284
6.	301	+		=	515
7.	657	+		=	1.219
8.	794	+		=	1.088
9.	821	+		=	1.348
10.	875	+		=	1.241

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	914	+	402	=	1.316
2.	752	+	626	=	1.378
3.	630	+	283	=	913
4.	626	+	302	=	928
5.	282	+	262	=	544
6.	910	+	325	=	1.235
7.	794	+	615	=	1.409
8.	561	+	461	=	1.022
9.	868	+	468	=	1.336
10.	635	+	443	=	1.078

Oefening 2
1.	479	+	434	=	913
2.	786	+	364	=	1.150
3.	904	+	783	=	1.687
4.	905	+	217	=	1.122
5.	545	+	236	=	781
6.	975	+	418	=	1.393
7.	755	+	748	=	1.503
8.	603	+	531	=	1.134
9.	596	+	431	=	1.027
10.	864	+	635	=	1.499

Oefening 3
1.	464	+	357	=	821
2.	673	+	476	=	1.149
3.	818	+	693	=	1.511
4.	859	+	807	=	1.666
5.	982	+	705	=	1.687
6.	457	+	360	=	817
7.	645	+	209	=	854
8.	600	+	291	=	891
9.	637	+	591	=	1.228
10.	833	+	547	=	1.380

Oefening 4
1.	489	+	340	=	829
2.	443	+	285	=	728
3.	998	+	941	=	1.939
4.	894	+	618	=	1.512
5.	919	+	365	=	1.284
6.	301	+	214	=	515
7.	657	+	562	=	1.219
8.	794	+	294	=	1.088
9.	821	+	527	=	1.348
10.	875	+	366	=	1.241