Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	643	+		=	911
2.	870	+		=	1.138
3.	491	+		=	872
4.	707	+		=	1.208
5.	779	+		=	1.023
6.	902	+		=	1.661
7.	792	+		=	1.264
8.	808	+		=	1.596
9.	839	+		=	1.087
10.	708	+		=	934

Oefening 2
1.	528	+		=	748
2.	964	+		=	1.493
3.	266	+		=	528
4.	647	+		=	1.233
5.	813	+		=	1.600
6.	677	+		=	927
7.	570	+		=	870
8.	440	+		=	687
9.	952	+		=	1.605
10.	803	+		=	1.329

Oefening 3
1.	871	+		=	1.296
2.	794	+		=	1.302
3.	819	+		=	1.509
4.	689	+		=	1.126
5.	673	+		=	1.161
6.	916	+		=	1.473
7.	940	+		=	1.774
8.	823	+		=	1.078
9.	653	+		=	1.032
10.	673	+		=	1.272

Oefening 4
1.	619	+		=	1.100
2.	868	+		=	1.596
3.	657	+		=	1.150
4.	565	+		=	778
5.	903	+		=	1.648
6.	367	+		=	661
7.	832	+		=	1.503
8.	394	+		=	773
9.	891	+		=	1.164
10.	899	+		=	1.653

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	643	+	268	=	911
2.	870	+	268	=	1.138
3.	491	+	381	=	872
4.	707	+	501	=	1.208
5.	779	+	244	=	1.023
6.	902	+	759	=	1.661
7.	792	+	472	=	1.264
8.	808	+	788	=	1.596
9.	839	+	248	=	1.087
10.	708	+	226	=	934

Oefening 2
1.	528	+	220	=	748
2.	964	+	529	=	1.493
3.	266	+	262	=	528
4.	647	+	586	=	1.233
5.	813	+	787	=	1.600
6.	677	+	250	=	927
7.	570	+	300	=	870
8.	440	+	247	=	687
9.	952	+	653	=	1.605
10.	803	+	526	=	1.329

Oefening 3
1.	871	+	425	=	1.296
2.	794	+	508	=	1.302
3.	819	+	690	=	1.509
4.	689	+	437	=	1.126
5.	673	+	488	=	1.161
6.	916	+	557	=	1.473
7.	940	+	834	=	1.774
8.	823	+	255	=	1.078
9.	653	+	379	=	1.032
10.	673	+	599	=	1.272

Oefening 4
1.	619	+	481	=	1.100
2.	868	+	728	=	1.596
3.	657	+	493	=	1.150
4.	565	+	213	=	778
5.	903	+	745	=	1.648
6.	367	+	294	=	661
7.	832	+	671	=	1.503
8.	394	+	379	=	773
9.	891	+	273	=	1.164
10.	899	+	754	=	1.653