Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	887	+		=	1.172
2.	401	+		=	651
3.	988	+		=	1.294
4.	936	+		=	1.464
5.	333	+		=	541
6.	778	+		=	1.205
7.	569	+		=	939
8.	973	+		=	1.682
9.	776	+		=	1.494
10.	764	+		=	967

Oefening 2
1.	737	+		=	1.286
2.	783	+		=	1.527
3.	844	+		=	1.666
4.	996	+		=	1.933
5.	878	+		=	1.608
6.	987	+		=	1.614
7.	647	+		=	1.200
8.	908	+		=	1.120
9.	767	+		=	1.527
10.	427	+		=	827

Oefening 3
1.	673	+		=	969
2.	944	+		=	1.499
3.	921	+		=	1.817
4.	702	+		=	1.179
5.	827	+		=	1.291
6.	739	+		=	1.041
7.	783	+		=	1.141
8.	807	+		=	1.288
9.	858	+		=	1.637
10.	897	+		=	1.222

Oefening 4
1.	521	+		=	912
2.	518	+		=	747
3.	835	+		=	1.253
4.	642	+		=	1.254
5.	885	+		=	1.607
6.	957	+		=	1.215
7.	951	+		=	1.415
8.	703	+		=	1.268
9.	935	+		=	1.830
10.	444	+		=	743

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	887	+	285	=	1.172
2.	401	+	250	=	651
3.	988	+	306	=	1.294
4.	936	+	528	=	1.464
5.	333	+	208	=	541
6.	778	+	427	=	1.205
7.	569	+	370	=	939
8.	973	+	709	=	1.682
9.	776	+	718	=	1.494
10.	764	+	203	=	967

Oefening 2
1.	737	+	549	=	1.286
2.	783	+	744	=	1.527
3.	844	+	822	=	1.666
4.	996	+	937	=	1.933
5.	878	+	730	=	1.608
6.	987	+	627	=	1.614
7.	647	+	553	=	1.200
8.	908	+	212	=	1.120
9.	767	+	760	=	1.527
10.	427	+	400	=	827

Oefening 3
1.	673	+	296	=	969
2.	944	+	555	=	1.499
3.	921	+	896	=	1.817
4.	702	+	477	=	1.179
5.	827	+	464	=	1.291
6.	739	+	302	=	1.041
7.	783	+	358	=	1.141
8.	807	+	481	=	1.288
9.	858	+	779	=	1.637
10.	897	+	325	=	1.222

Oefening 4
1.	521	+	391	=	912
2.	518	+	229	=	747
3.	835	+	418	=	1.253
4.	642	+	612	=	1.254
5.	885	+	722	=	1.607
6.	957	+	258	=	1.215
7.	951	+	464	=	1.415
8.	703	+	565	=	1.268
9.	935	+	895	=	1.830
10.	444	+	299	=	743