Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	375	+		=	595
2.	514	+		=	914
3.	427	+		=	641
4.	456	+		=	785
5.	659	+		=	1.276
6.	470	+		=	910
7.	868	+		=	1.607
8.	942	+		=	1.371
9.	942	+		=	1.265
10.	462	+		=	779

Oefening 2
1.	949	+		=	1.396
2.	653	+		=	1.163
3.	652	+		=	944
4.	838	+		=	1.058
5.	791	+		=	1.292
6.	646	+		=	1.241
7.	458	+		=	739
8.	580	+		=	788
9.	998	+		=	1.344
10.	810	+		=	1.447

Oefening 3
1.	879	+		=	1.581
2.	549	+		=	820
3.	742	+		=	1.200
4.	918	+		=	1.372
5.	989	+		=	1.580
6.	726	+		=	1.129
7.	886	+		=	1.095
8.	696	+		=	1.196
9.	701	+		=	1.144
10.	838	+		=	1.668

Oefening 4
1.	917	+		=	1.557
2.	679	+		=	1.046
3.	899	+		=	1.390
4.	875	+		=	1.609
5.	716	+		=	978
6.	827	+		=	1.262
7.	731	+		=	1.211
8.	994	+		=	1.861
9.	770	+		=	1.443
10.	530	+		=	931

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	375	+	220	=	595
2.	514	+	400	=	914
3.	427	+	214	=	641
4.	456	+	329	=	785
5.	659	+	617	=	1.276
6.	470	+	440	=	910
7.	868	+	739	=	1.607
8.	942	+	429	=	1.371
9.	942	+	323	=	1.265
10.	462	+	317	=	779

Oefening 2
1.	949	+	447	=	1.396
2.	653	+	510	=	1.163
3.	652	+	292	=	944
4.	838	+	220	=	1.058
5.	791	+	501	=	1.292
6.	646	+	595	=	1.241
7.	458	+	281	=	739
8.	580	+	208	=	788
9.	998	+	346	=	1.344
10.	810	+	637	=	1.447

Oefening 3
1.	879	+	702	=	1.581
2.	549	+	271	=	820
3.	742	+	458	=	1.200
4.	918	+	454	=	1.372
5.	989	+	591	=	1.580
6.	726	+	403	=	1.129
7.	886	+	209	=	1.095
8.	696	+	500	=	1.196
9.	701	+	443	=	1.144
10.	838	+	830	=	1.668

Oefening 4
1.	917	+	640	=	1.557
2.	679	+	367	=	1.046
3.	899	+	491	=	1.390
4.	875	+	734	=	1.609
5.	716	+	262	=	978
6.	827	+	435	=	1.262
7.	731	+	480	=	1.211
8.	994	+	867	=	1.861
9.	770	+	673	=	1.443
10.	530	+	401	=	931