Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	831	+		=	1.426
2.	851	+		=	1.309
3.	782	+		=	1.184
4.	888	+		=	1.544
5.	507	+		=	937
6.	250	+		=	453
7.	923	+		=	1.610
8.	817	+		=	1.366
9.	808	+		=	1.578
10.	552	+		=	862

Oefening 2
1.	563	+		=	995
2.	946	+		=	1.600
3.	773	+		=	1.239
4.	447	+		=	705
5.	912	+		=	1.240
6.	850	+		=	1.274
7.	772	+		=	1.537
8.	706	+		=	1.394
9.	777	+		=	1.004
10.	742	+		=	952

Oefening 3
1.	849	+		=	1.412
2.	772	+		=	1.272
3.	976	+		=	1.888
4.	993	+		=	1.574
5.	937	+		=	1.306
6.	931	+		=	1.547
7.	797	+		=	1.331
8.	828	+		=	1.211
9.	756	+		=	1.489
10.	668	+		=	1.073

Oefening 4
1.	847	+		=	1.081
2.	890	+		=	1.507
3.	946	+		=	1.877
4.	784	+		=	1.271
5.	549	+		=	943
6.	595	+		=	818
7.	257	+		=	498
8.	960	+		=	1.577
9.	634	+		=	1.152
10.	922	+		=	1.145

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	831	+	595	=	1.426
2.	851	+	458	=	1.309
3.	782	+	402	=	1.184
4.	888	+	656	=	1.544
5.	507	+	430	=	937
6.	250	+	203	=	453
7.	923	+	687	=	1.610
8.	817	+	549	=	1.366
9.	808	+	770	=	1.578
10.	552	+	310	=	862

Oefening 2
1.	563	+	432	=	995
2.	946	+	654	=	1.600
3.	773	+	466	=	1.239
4.	447	+	258	=	705
5.	912	+	328	=	1.240
6.	850	+	424	=	1.274
7.	772	+	765	=	1.537
8.	706	+	688	=	1.394
9.	777	+	227	=	1.004
10.	742	+	210	=	952

Oefening 3
1.	849	+	563	=	1.412
2.	772	+	500	=	1.272
3.	976	+	912	=	1.888
4.	993	+	581	=	1.574
5.	937	+	369	=	1.306
6.	931	+	616	=	1.547
7.	797	+	534	=	1.331
8.	828	+	383	=	1.211
9.	756	+	733	=	1.489
10.	668	+	405	=	1.073

Oefening 4
1.	847	+	234	=	1.081
2.	890	+	617	=	1.507
3.	946	+	931	=	1.877
4.	784	+	487	=	1.271
5.	549	+	394	=	943
6.	595	+	223	=	818
7.	257	+	241	=	498
8.	960	+	617	=	1.577
9.	634	+	518	=	1.152
10.	922	+	223	=	1.145