Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	513	+		=	792
2.	752	+		=	1.052
3.	681	+		=	1.057
4.	579	+		=	887
5.	976	+		=	1.233
6.	525	+		=	985
7.	439	+		=	653
8.	796	+		=	1.384
9.	909	+		=	1.803
10.	640	+		=	935

Oefening 2
1.	886	+		=	1.268
2.	388	+		=	760
3.	915	+		=	1.379
4.	608	+		=	1.055
5.	765	+		=	1.485
6.	995	+		=	1.258
7.	372	+		=	692
8.	558	+		=	885
9.	641	+		=	959
10.	929	+		=	1.731

Oefening 3
1.	807	+		=	1.527
2.	885	+		=	1.331
3.	896	+		=	1.661
4.	966	+		=	1.490
5.	861	+		=	1.383
6.	297	+		=	585
7.	556	+		=	1.051
8.	941	+		=	1.441
9.	642	+		=	1.203
10.	920	+		=	1.369

Oefening 4
1.	906	+		=	1.655
2.	589	+		=	824
3.	388	+		=	716
4.	889	+		=	1.568
5.	609	+		=	1.082
6.	968	+		=	1.234
7.	321	+		=	532
8.	807	+		=	1.100
9.	981	+		=	1.264
10.	955	+		=	1.315

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	513	+	279	=	792
2.	752	+	300	=	1.052
3.	681	+	376	=	1.057
4.	579	+	308	=	887
5.	976	+	257	=	1.233
6.	525	+	460	=	985
7.	439	+	214	=	653
8.	796	+	588	=	1.384
9.	909	+	894	=	1.803
10.	640	+	295	=	935

Oefening 2
1.	886	+	382	=	1.268
2.	388	+	372	=	760
3.	915	+	464	=	1.379
4.	608	+	447	=	1.055
5.	765	+	720	=	1.485
6.	995	+	263	=	1.258
7.	372	+	320	=	692
8.	558	+	327	=	885
9.	641	+	318	=	959
10.	929	+	802	=	1.731

Oefening 3
1.	807	+	720	=	1.527
2.	885	+	446	=	1.331
3.	896	+	765	=	1.661
4.	966	+	524	=	1.490
5.	861	+	522	=	1.383
6.	297	+	288	=	585
7.	556	+	495	=	1.051
8.	941	+	500	=	1.441
9.	642	+	561	=	1.203
10.	920	+	449	=	1.369

Oefening 4
1.	906	+	749	=	1.655
2.	589	+	235	=	824
3.	388	+	328	=	716
4.	889	+	679	=	1.568
5.	609	+	473	=	1.082
6.	968	+	266	=	1.234
7.	321	+	211	=	532
8.	807	+	293	=	1.100
9.	981	+	283	=	1.264
10.	955	+	360	=	1.315