Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	388	+		=	563
2.	341	+		=	510
3.	498	+		=	824
4.	318	+		=	551
5.	478	+		=	855
6.	461	+		=	700
7.	438	+		=	802
8.	241	+		=	355
9.	348	+		=	597
10.	444	+		=	762

Oefening 2
1.	309	+		=	438
2.	245	+		=	446
3.	404	+		=	719
4.	459	+		=	768
5.	344	+		=	596
6.	459	+		=	649
7.	489	+		=	819
8.	265	+		=	388
9.	276	+		=	460
10.	360	+		=	502

Oefening 3
1.	393	+		=	693
2.	348	+		=	614
3.	358	+		=	519
4.	235	+		=	391
5.	480	+		=	794
6.	404	+		=	542
7.	430	+		=	697
8.	385	+		=	488
9.	427	+		=	677
10.	368	+		=	513

Oefening 4
1.	406	+		=	667
2.	281	+		=	439
3.	344	+		=	456
4.	394	+		=	574
5.	436	+		=	870
6.	359	+		=	487
7.	335	+		=	650
8.	172	+		=	307
9.	492	+		=	772
10.	475	+		=	902

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	388	+	175	=	563
2.	341	+	169	=	510
3.	498	+	326	=	824
4.	318	+	233	=	551
5.	478	+	377	=	855
6.	461	+	239	=	700
7.	438	+	364	=	802
8.	241	+	114	=	355
9.	348	+	249	=	597
10.	444	+	318	=	762

Oefening 2
1.	309	+	129	=	438
2.	245	+	201	=	446
3.	404	+	315	=	719
4.	459	+	309	=	768
5.	344	+	252	=	596
6.	459	+	190	=	649
7.	489	+	330	=	819
8.	265	+	123	=	388
9.	276	+	184	=	460
10.	360	+	142	=	502

Oefening 3
1.	393	+	300	=	693
2.	348	+	266	=	614
3.	358	+	161	=	519
4.	235	+	156	=	391
5.	480	+	314	=	794
6.	404	+	138	=	542
7.	430	+	267	=	697
8.	385	+	103	=	488
9.	427	+	250	=	677
10.	368	+	145	=	513

Oefening 4
1.	406	+	261	=	667
2.	281	+	158	=	439
3.	344	+	112	=	456
4.	394	+	180	=	574
5.	436	+	434	=	870
6.	359	+	128	=	487
7.	335	+	315	=	650
8.	172	+	135	=	307
9.	492	+	280	=	772
10.	475	+	427	=	902