Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	742	+		=	1.474
2.	899	+		=	1.480
3.	753	+		=	1.327
4.	704	+		=	934
5.	891	+		=	1.210
6.	859	+		=	1.545
7.	684	+		=	941
8.	787	+		=	1.507
9.	443	+		=	819
10.	948	+		=	1.558

Oefening 2
1.	645	+		=	1.274
2.	817	+		=	1.136
3.	797	+		=	1.553
4.	768	+		=	1.286
5.	410	+		=	683
6.	963	+		=	1.689
7.	473	+		=	736
8.	800	+		=	1.345
9.	722	+		=	1.186
10.	994	+		=	1.693

Oefening 3
1.	683	+		=	1.072
2.	892	+		=	1.501
3.	563	+		=	1.101
4.	973	+		=	1.488
5.	954	+		=	1.279
6.	227	+		=	454
7.	986	+		=	1.332
8.	897	+		=	1.123
9.	950	+		=	1.563
10.	438	+		=	796

Oefening 4
1.	328	+		=	539
2.	832	+		=	1.430
3.	934	+		=	1.574
4.	386	+		=	638
5.	702	+		=	1.193
6.	373	+		=	625
7.	648	+		=	929
8.	636	+		=	912
9.	967	+		=	1.730
10.	978	+		=	1.501

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	742	+	732	=	1.474
2.	899	+	581	=	1.480
3.	753	+	574	=	1.327
4.	704	+	230	=	934
5.	891	+	319	=	1.210
6.	859	+	686	=	1.545
7.	684	+	257	=	941
8.	787	+	720	=	1.507
9.	443	+	376	=	819
10.	948	+	610	=	1.558

Oefening 2
1.	645	+	629	=	1.274
2.	817	+	319	=	1.136
3.	797	+	756	=	1.553
4.	768	+	518	=	1.286
5.	410	+	273	=	683
6.	963	+	726	=	1.689
7.	473	+	263	=	736
8.	800	+	545	=	1.345
9.	722	+	464	=	1.186
10.	994	+	699	=	1.693

Oefening 3
1.	683	+	389	=	1.072
2.	892	+	609	=	1.501
3.	563	+	538	=	1.101
4.	973	+	515	=	1.488
5.	954	+	325	=	1.279
6.	227	+	227	=	454
7.	986	+	346	=	1.332
8.	897	+	226	=	1.123
9.	950	+	613	=	1.563
10.	438	+	358	=	796

Oefening 4
1.	328	+	211	=	539
2.	832	+	598	=	1.430
3.	934	+	640	=	1.574
4.	386	+	252	=	638
5.	702	+	491	=	1.193
6.	373	+	252	=	625
7.	648	+	281	=	929
8.	636	+	276	=	912
9.	967	+	763	=	1.730
10.	978	+	523	=	1.501