Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	450	+		=	692
2.	852	+		=	1.366
3.	869	+		=	1.348
4.	928	+		=	1.484
5.	698	+		=	1.062
6.	811	+		=	1.595
7.	992	+		=	1.773
8.	658	+		=	1.307
9.	569	+		=	932
10.	781	+		=	1.487

Oefening 2
1.	836	+		=	1.537
2.	795	+		=	1.145
3.	922	+		=	1.232
4.	890	+		=	1.137
5.	942	+		=	1.790
6.	993	+		=	1.939
7.	541	+		=	776
8.	853	+		=	1.333
9.	776	+		=	1.005
10.	789	+		=	1.424

Oefening 3
1.	664	+		=	1.096
2.	656	+		=	1.149
3.	433	+		=	721
4.	885	+		=	1.739
5.	924	+		=	1.270
6.	517	+		=	737
7.	604	+		=	1.139
8.	870	+		=	1.355
9.	299	+		=	583
10.	500	+		=	984

Oefening 4
1.	843	+		=	1.662
2.	627	+		=	1.182
3.	981	+		=	1.821
4.	528	+		=	751
5.	704	+		=	917
6.	937	+		=	1.592
7.	604	+		=	937
8.	867	+		=	1.671
9.	921	+		=	1.170
10.	993	+		=	1.539

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	450	+	242	=	692
2.	852	+	514	=	1.366
3.	869	+	479	=	1.348
4.	928	+	556	=	1.484
5.	698	+	364	=	1.062
6.	811	+	784	=	1.595
7.	992	+	781	=	1.773
8.	658	+	649	=	1.307
9.	569	+	363	=	932
10.	781	+	706	=	1.487

Oefening 2
1.	836	+	701	=	1.537
2.	795	+	350	=	1.145
3.	922	+	310	=	1.232
4.	890	+	247	=	1.137
5.	942	+	848	=	1.790
6.	993	+	946	=	1.939
7.	541	+	235	=	776
8.	853	+	480	=	1.333
9.	776	+	229	=	1.005
10.	789	+	635	=	1.424

Oefening 3
1.	664	+	432	=	1.096
2.	656	+	493	=	1.149
3.	433	+	288	=	721
4.	885	+	854	=	1.739
5.	924	+	346	=	1.270
6.	517	+	220	=	737
7.	604	+	535	=	1.139
8.	870	+	485	=	1.355
9.	299	+	284	=	583
10.	500	+	484	=	984

Oefening 4
1.	843	+	819	=	1.662
2.	627	+	555	=	1.182
3.	981	+	840	=	1.821
4.	528	+	223	=	751
5.	704	+	213	=	917
6.	937	+	655	=	1.592
7.	604	+	333	=	937
8.	867	+	804	=	1.671
9.	921	+	249	=	1.170
10.	993	+	546	=	1.539