Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	802	+		=	1.192
2.	572	+		=	1.033
3.	588	+		=	831
4.	613	+		=	825
5.	521	+		=	928
6.	573	+		=	947
7.	537	+		=	800
8.	762	+		=	1.416
9.	255	+		=	476
10.	430	+		=	756

Oefening 2
1.	759	+		=	1.139
2.	993	+		=	1.702
3.	370	+		=	599
4.	862	+		=	1.537
5.	976	+		=	1.681
6.	602	+		=	1.123
7.	475	+		=	788
8.	957	+		=	1.524
9.	663	+		=	880
10.	620	+		=	1.027

Oefening 3
1.	463	+		=	822
2.	994	+		=	1.822
3.	491	+		=	767
4.	909	+		=	1.287
5.	493	+		=	841
6.	511	+		=	943
7.	466	+		=	693
8.	636	+		=	962
9.	641	+		=	1.122
10.	664	+		=	932

Oefening 4
1.	404	+		=	690
2.	551	+		=	1.028
3.	921	+		=	1.158
4.	779	+		=	1.308
5.	397	+		=	776
6.	455	+		=	869
7.	832	+		=	1.441
8.	373	+		=	591
9.	984	+		=	1.504
10.	617	+		=	1.130

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	802	+	390	=	1.192
2.	572	+	461	=	1.033
3.	588	+	243	=	831
4.	613	+	212	=	825
5.	521	+	407	=	928
6.	573	+	374	=	947
7.	537	+	263	=	800
8.	762	+	654	=	1.416
9.	255	+	221	=	476
10.	430	+	326	=	756

Oefening 2
1.	759	+	380	=	1.139
2.	993	+	709	=	1.702
3.	370	+	229	=	599
4.	862	+	675	=	1.537
5.	976	+	705	=	1.681
6.	602	+	521	=	1.123
7.	475	+	313	=	788
8.	957	+	567	=	1.524
9.	663	+	217	=	880
10.	620	+	407	=	1.027

Oefening 3
1.	463	+	359	=	822
2.	994	+	828	=	1.822
3.	491	+	276	=	767
4.	909	+	378	=	1.287
5.	493	+	348	=	841
6.	511	+	432	=	943
7.	466	+	227	=	693
8.	636	+	326	=	962
9.	641	+	481	=	1.122
10.	664	+	268	=	932

Oefening 4
1.	404	+	286	=	690
2.	551	+	477	=	1.028
3.	921	+	237	=	1.158
4.	779	+	529	=	1.308
5.	397	+	379	=	776
6.	455	+	414	=	869
7.	832	+	609	=	1.441
8.	373	+	218	=	591
9.	984	+	520	=	1.504
10.	617	+	513	=	1.130