Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	218	+		=	392
2.	407	+		=	624
3.	397	+		=	753
4.	370	+		=	544
5.	167	+		=	288
6.	375	+		=	739
7.	488	+		=	680
8.	381	+		=	677
9.	481	+		=	687
10.	298	+		=	528

Oefening 2
1.	283	+		=	386
2.	410	+		=	704
3.	455	+		=	827
4.	428	+		=	836
5.	252	+		=	384
6.	326	+		=	511
7.	290	+		=	401
8.	289	+		=	416
9.	194	+		=	382
10.	244	+		=	401

Oefening 3
1.	326	+		=	521
2.	385	+		=	489
3.	259	+		=	469
4.	460	+		=	904
5.	371	+		=	498
6.	495	+		=	740
7.	144	+		=	264
8.	481	+		=	808
9.	336	+		=	525
10.	311	+		=	507

Oefening 4
1.	439	+		=	652
2.	270	+		=	495
3.	434	+		=	663
4.	358	+		=	677
5.	401	+		=	551
6.	310	+		=	452
7.	327	+		=	496
8.	392	+		=	532
9.	390	+		=	530
10.	313	+		=	490

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	218	+	174	=	392
2.	407	+	217	=	624
3.	397	+	356	=	753
4.	370	+	174	=	544
5.	167	+	121	=	288
6.	375	+	364	=	739
7.	488	+	192	=	680
8.	381	+	296	=	677
9.	481	+	206	=	687
10.	298	+	230	=	528

Oefening 2
1.	283	+	103	=	386
2.	410	+	294	=	704
3.	455	+	372	=	827
4.	428	+	408	=	836
5.	252	+	132	=	384
6.	326	+	185	=	511
7.	290	+	111	=	401
8.	289	+	127	=	416
9.	194	+	188	=	382
10.	244	+	157	=	401

Oefening 3
1.	326	+	195	=	521
2.	385	+	104	=	489
3.	259	+	210	=	469
4.	460	+	444	=	904
5.	371	+	127	=	498
6.	495	+	245	=	740
7.	144	+	120	=	264
8.	481	+	327	=	808
9.	336	+	189	=	525
10.	311	+	196	=	507

Oefening 4
1.	439	+	213	=	652
2.	270	+	225	=	495
3.	434	+	229	=	663
4.	358	+	319	=	677
5.	401	+	150	=	551
6.	310	+	142	=	452
7.	327	+	169	=	496
8.	392	+	140	=	532
9.	390	+	140	=	530
10.	313	+	177	=	490