Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	187	+		=	313
2.	179	+		=	272
3.	90	+		=	175
4.	129	+		=	236
5.	223	+		=	416
6.	203	+		=	402
7.	144	+		=	287
8.	240	+		=	403
9.	159	+		=	280
10.	233	+		=	297

Oefening 2
1.	141	+		=	250
2.	149	+		=	209
3.	153	+		=	205
4.	131	+		=	261
5.	118	+		=	222
6.	152	+		=	285
7.	119	+		=	223
8.	232	+		=	285
9.	245	+		=	373
10.	146	+		=	204

Oefening 3
1.	214	+		=	352
2.	218	+		=	406
3.	149	+		=	220
4.	187	+		=	246
5.	246	+		=	461
6.	214	+		=	389
7.	171	+		=	303
8.	237	+		=	465
9.	141	+		=	248
10.	112	+		=	217

Oefening 4
1.	106	+		=	164
2.	246	+		=	447
3.	186	+		=	309
4.	128	+		=	216
5.	163	+		=	292
6.	214	+		=	323
7.	159	+		=	264
8.	114	+		=	221
9.	223	+		=	430
10.	217	+		=	373

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	187	+	126	=	313
2.	179	+	93	=	272
3.	90	+	85	=	175
4.	129	+	107	=	236
5.	223	+	193	=	416
6.	203	+	199	=	402
7.	144	+	143	=	287
8.	240	+	163	=	403
9.	159	+	121	=	280
10.	233	+	64	=	297

Oefening 2
1.	141	+	109	=	250
2.	149	+	60	=	209
3.	153	+	52	=	205
4.	131	+	130	=	261
5.	118	+	104	=	222
6.	152	+	133	=	285
7.	119	+	104	=	223
8.	232	+	53	=	285
9.	245	+	128	=	373
10.	146	+	58	=	204

Oefening 3
1.	214	+	138	=	352
2.	218	+	188	=	406
3.	149	+	71	=	220
4.	187	+	59	=	246
5.	246	+	215	=	461
6.	214	+	175	=	389
7.	171	+	132	=	303
8.	237	+	228	=	465
9.	141	+	107	=	248
10.	112	+	105	=	217

Oefening 4
1.	106	+	58	=	164
2.	246	+	201	=	447
3.	186	+	123	=	309
4.	128	+	88	=	216
5.	163	+	129	=	292
6.	214	+	109	=	323
7.	159	+	105	=	264
8.	114	+	107	=	221
9.	223	+	207	=	430
10.	217	+	156	=	373