Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	893	+		=	1.390
2.	814	+		=	1.242
3.	585	+		=	800
4.	358	+		=	703
5.	990	+		=	1.751
6.	322	+		=	601
7.	968	+		=	1.354
8.	752	+		=	1.492
9.	878	+		=	1.576
10.	950	+		=	1.710

Oefening 2
1.	703	+		=	1.111
2.	954	+		=	1.492
3.	630	+		=	1.035
4.	553	+		=	772
5.	639	+		=	957
6.	447	+		=	885
7.	689	+		=	1.091
8.	874	+		=	1.387
9.	635	+		=	1.119
10.	969	+		=	1.800

Oefening 3
1.	967	+		=	1.456
2.	883	+		=	1.274
3.	347	+		=	592
4.	304	+		=	556
5.	543	+		=	812
6.	680	+		=	1.271
7.	621	+		=	1.133
8.	925	+		=	1.472
9.	576	+		=	928
10.	312	+		=	563

Oefening 4
1.	685	+		=	1.365
2.	654	+		=	1.037
3.	999	+		=	1.268
4.	633	+		=	1.229
5.	627	+		=	934
6.	940	+		=	1.150
7.	895	+		=	1.498
8.	684	+		=	1.140
9.	773	+		=	1.426
10.	758	+		=	1.420

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	893	+	497	=	1.390
2.	814	+	428	=	1.242
3.	585	+	215	=	800
4.	358	+	345	=	703
5.	990	+	761	=	1.751
6.	322	+	279	=	601
7.	968	+	386	=	1.354
8.	752	+	740	=	1.492
9.	878	+	698	=	1.576
10.	950	+	760	=	1.710

Oefening 2
1.	703	+	408	=	1.111
2.	954	+	538	=	1.492
3.	630	+	405	=	1.035
4.	553	+	219	=	772
5.	639	+	318	=	957
6.	447	+	438	=	885
7.	689	+	402	=	1.091
8.	874	+	513	=	1.387
9.	635	+	484	=	1.119
10.	969	+	831	=	1.800

Oefening 3
1.	967	+	489	=	1.456
2.	883	+	391	=	1.274
3.	347	+	245	=	592
4.	304	+	252	=	556
5.	543	+	269	=	812
6.	680	+	591	=	1.271
7.	621	+	512	=	1.133
8.	925	+	547	=	1.472
9.	576	+	352	=	928
10.	312	+	251	=	563

Oefening 4
1.	685	+	680	=	1.365
2.	654	+	383	=	1.037
3.	999	+	269	=	1.268
4.	633	+	596	=	1.229
5.	627	+	307	=	934
6.	940	+	210	=	1.150
7.	895	+	603	=	1.498
8.	684	+	456	=	1.140
9.	773	+	653	=	1.426
10.	758	+	662	=	1.420