Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	626	+		=	960
2.	962	+		=	1.622
3.	774	+		=	1.144
4.	519	+		=	994
5.	719	+		=	1.100
6.	955	+		=	1.744
7.	927	+		=	1.385
8.	799	+		=	1.107
9.	844	+		=	1.322
10.	917	+		=	1.602

Oefening 2
1.	358	+		=	711
2.	373	+		=	687
3.	784	+		=	1.562
4.	781	+		=	1.013
5.	642	+		=	1.198
6.	880	+		=	1.181
7.	555	+		=	945
8.	894	+		=	1.390
9.	980	+		=	1.442
10.	418	+		=	802

Oefening 3
1.	791	+		=	1.030
2.	821	+		=	1.588
3.	580	+		=	883
4.	645	+		=	1.065
5.	916	+		=	1.645
6.	680	+		=	1.163
7.	846	+		=	1.692
8.	678	+		=	1.257
9.	846	+		=	1.522
10.	889	+		=	1.774

Oefening 4
1.	362	+		=	672
2.	969	+		=	1.731
3.	824	+		=	1.567
4.	683	+		=	1.156
5.	673	+		=	1.014
6.	964	+		=	1.167
7.	744	+		=	1.128
8.	689	+		=	890
9.	906	+		=	1.685
10.	540	+		=	1.071

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	626	+	334	=	960
2.	962	+	660	=	1.622
3.	774	+	370	=	1.144
4.	519	+	475	=	994
5.	719	+	381	=	1.100
6.	955	+	789	=	1.744
7.	927	+	458	=	1.385
8.	799	+	308	=	1.107
9.	844	+	478	=	1.322
10.	917	+	685	=	1.602

Oefening 2
1.	358	+	353	=	711
2.	373	+	314	=	687
3.	784	+	778	=	1.562
4.	781	+	232	=	1.013
5.	642	+	556	=	1.198
6.	880	+	301	=	1.181
7.	555	+	390	=	945
8.	894	+	496	=	1.390
9.	980	+	462	=	1.442
10.	418	+	384	=	802

Oefening 3
1.	791	+	239	=	1.030
2.	821	+	767	=	1.588
3.	580	+	303	=	883
4.	645	+	420	=	1.065
5.	916	+	729	=	1.645
6.	680	+	483	=	1.163
7.	846	+	846	=	1.692
8.	678	+	579	=	1.257
9.	846	+	676	=	1.522
10.	889	+	885	=	1.774

Oefening 4
1.	362	+	310	=	672
2.	969	+	762	=	1.731
3.	824	+	743	=	1.567
4.	683	+	473	=	1.156
5.	673	+	341	=	1.014
6.	964	+	203	=	1.167
7.	744	+	384	=	1.128
8.	689	+	201	=	890
9.	906	+	779	=	1.685
10.	540	+	531	=	1.071