Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	223	+		=	366
2.	86	+		=	163
3.	156	+		=	293
4.	88	+		=	147
5.	170	+		=	240
6.	182	+		=	351
7.	88	+		=	146
8.	196	+		=	295
9.	111	+		=	205
10.	218	+		=	275

Oefening 2
1.	239	+		=	419
2.	96	+		=	160
3.	151	+		=	258
4.	107	+		=	165
5.	117	+		=	183
6.	188	+		=	280
7.	59	+		=	109
8.	247	+		=	440
9.	202	+		=	308
10.	160	+		=	262

Oefening 3
1.	128	+		=	247
2.	100	+		=	153
3.	107	+		=	170
4.	228	+		=	407
5.	235	+		=	310
6.	192	+		=	315
7.	193	+		=	348
8.	250	+		=	382
9.	191	+		=	291
10.	179	+		=	294

Oefening 4
1.	215	+		=	385
2.	144	+		=	273
3.	200	+		=	374
4.	239	+		=	354
5.	219	+		=	407
6.	240	+		=	448
7.	245	+		=	321
8.	195	+		=	340
9.	191	+		=	296
10.	233	+		=	360

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	223	+	143	=	366
2.	86	+	77	=	163
3.	156	+	137	=	293
4.	88	+	59	=	147
5.	170	+	70	=	240
6.	182	+	169	=	351
7.	88	+	58	=	146
8.	196	+	99	=	295
9.	111	+	94	=	205
10.	218	+	57	=	275

Oefening 2
1.	239	+	180	=	419
2.	96	+	64	=	160
3.	151	+	107	=	258
4.	107	+	58	=	165
5.	117	+	66	=	183
6.	188	+	92	=	280
7.	59	+	50	=	109
8.	247	+	193	=	440
9.	202	+	106	=	308
10.	160	+	102	=	262

Oefening 3
1.	128	+	119	=	247
2.	100	+	53	=	153
3.	107	+	63	=	170
4.	228	+	179	=	407
5.	235	+	75	=	310
6.	192	+	123	=	315
7.	193	+	155	=	348
8.	250	+	132	=	382
9.	191	+	100	=	291
10.	179	+	115	=	294

Oefening 4
1.	215	+	170	=	385
2.	144	+	129	=	273
3.	200	+	174	=	374
4.	239	+	115	=	354
5.	219	+	188	=	407
6.	240	+	208	=	448
7.	245	+	76	=	321
8.	195	+	145	=	340
9.	191	+	105	=	296
10.	233	+	127	=	360