Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	546	+		=	845
2.	962	+		=	1.807
3.	860	+		=	1.271
4.	793	+		=	1.082
5.	824	+		=	1.107
6.	804	+		=	1.307
7.	891	+		=	1.329
8.	892	+		=	1.307
9.	684	+		=	1.073
10.	674	+		=	1.127

Oefening 2
1.	886	+		=	1.347
2.	692	+		=	1.296
3.	748	+		=	1.179
4.	482	+		=	788
5.	973	+		=	1.439
6.	861	+		=	1.568
7.	353	+		=	641
8.	891	+		=	1.201
9.	903	+		=	1.188
10.	721	+		=	1.058

Oefening 3
1.	864	+		=	1.713
2.	601	+		=	957
3.	967	+		=	1.194
4.	976	+		=	1.333
5.	714	+		=	1.118
6.	553	+		=	895
7.	834	+		=	1.134
8.	504	+		=	752
9.	636	+		=	978
10.	720	+		=	1.149

Oefening 4
1.	664	+		=	1.012
2.	997	+		=	1.373
3.	908	+		=	1.424
4.	735	+		=	1.251
5.	453	+		=	830
6.	372	+		=	580
7.	789	+		=	1.228
8.	433	+		=	709
9.	522	+		=	774
10.	759	+		=	1.154

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	546	+	299	=	845
2.	962	+	845	=	1.807
3.	860	+	411	=	1.271
4.	793	+	289	=	1.082
5.	824	+	283	=	1.107
6.	804	+	503	=	1.307
7.	891	+	438	=	1.329
8.	892	+	415	=	1.307
9.	684	+	389	=	1.073
10.	674	+	453	=	1.127

Oefening 2
1.	886	+	461	=	1.347
2.	692	+	604	=	1.296
3.	748	+	431	=	1.179
4.	482	+	306	=	788
5.	973	+	466	=	1.439
6.	861	+	707	=	1.568
7.	353	+	288	=	641
8.	891	+	310	=	1.201
9.	903	+	285	=	1.188
10.	721	+	337	=	1.058

Oefening 3
1.	864	+	849	=	1.713
2.	601	+	356	=	957
3.	967	+	227	=	1.194
4.	976	+	357	=	1.333
5.	714	+	404	=	1.118
6.	553	+	342	=	895
7.	834	+	300	=	1.134
8.	504	+	248	=	752
9.	636	+	342	=	978
10.	720	+	429	=	1.149

Oefening 4
1.	664	+	348	=	1.012
2.	997	+	376	=	1.373
3.	908	+	516	=	1.424
4.	735	+	516	=	1.251
5.	453	+	377	=	830
6.	372	+	208	=	580
7.	789	+	439	=	1.228
8.	433	+	276	=	709
9.	522	+	252	=	774
10.	759	+	395	=	1.154