Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	973	+		=	1.889
2.	674	+		=	966
3.	355	+		=	699
4.	729	+		=	1.048
5.	892	+		=	1.754
6.	934	+		=	1.816
7.	800	+		=	1.597
8.	921	+		=	1.568
9.	702	+		=	1.297
10.	724	+		=	1.426

Oefening 2
1.	479	+		=	880
2.	491	+		=	864
3.	751	+		=	1.436
4.	849	+		=	1.162
5.	651	+		=	1.295
6.	649	+		=	887
7.	797	+		=	1.434
8.	969	+		=	1.200
9.	457	+		=	826
10.	747	+		=	979

Oefening 3
1.	633	+		=	1.047
2.	600	+		=	1.084
3.	813	+		=	1.228
4.	891	+		=	1.328
5.	902	+		=	1.667
6.	851	+		=	1.154
7.	429	+		=	825
8.	604	+		=	1.151
9.	600	+		=	1.137
10.	932	+		=	1.847

Oefening 4
1.	791	+		=	1.206
2.	579	+		=	918
3.	773	+		=	1.495
4.	728	+		=	1.413
5.	882	+		=	1.353
6.	766	+		=	1.182
7.	835	+		=	1.552
8.	575	+		=	1.031
9.	491	+		=	879
10.	339	+		=	660

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	973	+	916	=	1.889
2.	674	+	292	=	966
3.	355	+	344	=	699
4.	729	+	319	=	1.048
5.	892	+	862	=	1.754
6.	934	+	882	=	1.816
7.	800	+	797	=	1.597
8.	921	+	647	=	1.568
9.	702	+	595	=	1.297
10.	724	+	702	=	1.426

Oefening 2
1.	479	+	401	=	880
2.	491	+	373	=	864
3.	751	+	685	=	1.436
4.	849	+	313	=	1.162
5.	651	+	644	=	1.295
6.	649	+	238	=	887
7.	797	+	637	=	1.434
8.	969	+	231	=	1.200
9.	457	+	369	=	826
10.	747	+	232	=	979

Oefening 3
1.	633	+	414	=	1.047
2.	600	+	484	=	1.084
3.	813	+	415	=	1.228
4.	891	+	437	=	1.328
5.	902	+	765	=	1.667
6.	851	+	303	=	1.154
7.	429	+	396	=	825
8.	604	+	547	=	1.151
9.	600	+	537	=	1.137
10.	932	+	915	=	1.847

Oefening 4
1.	791	+	415	=	1.206
2.	579	+	339	=	918
3.	773	+	722	=	1.495
4.	728	+	685	=	1.413
5.	882	+	471	=	1.353
6.	766	+	416	=	1.182
7.	835	+	717	=	1.552
8.	575	+	456	=	1.031
9.	491	+	388	=	879
10.	339	+	321	=	660