Erbijsommen met vlekken tot en met 200

Erbijsommen

Oefening 1
1.	78	+		=	155
2.	99	+		=	139
3.	90	+		=	130
4.	86	+		=	166
5.	56	+		=	100
6.	28	+		=	50
7.	47	+		=	91
8.	79	+		=	143
9.	74	+		=	130
10.	48	+		=	79

Oefening 2
1.	74	+		=	130
2.	81	+		=	120
3.	98	+		=	130
4.	93	+		=	119
5.	61	+		=	97
6.	91	+		=	159
7.	81	+		=	130
8.	70	+		=	107
9.	66	+		=	105
10.	70	+		=	136

Oefening 3
1.	57	+		=	90
2.	78	+		=	153
3.	31	+		=	54
4.	67	+		=	96
5.	38	+		=	63
6.	46	+		=	84
7.	100	+		=	199
8.	59	+		=	109
9.	31	+		=	56
10.	66	+		=	96

Oefening 4
1.	28	+		=	51
2.	91	+		=	163
3.	45	+		=	86
4.	60	+		=	95
5.	57	+		=	80
6.	71	+		=	142
7.	85	+		=	157
8.	62	+		=	120
9.	80	+		=	142
10.	80	+		=	154

Erbijsommen met vlekken tot en met 200
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	78	+	77	=	155
2.	99	+	40	=	139
3.	90	+	40	=	130
4.	86	+	80	=	166
5.	56	+	44	=	100
6.	28	+	22	=	50
7.	47	+	44	=	91
8.	79	+	64	=	143
9.	74	+	56	=	130
10.	48	+	31	=	79

Oefening 2
1.	74	+	56	=	130
2.	81	+	39	=	120
3.	98	+	32	=	130
4.	93	+	26	=	119
5.	61	+	36	=	97
6.	91	+	68	=	159
7.	81	+	49	=	130
8.	70	+	37	=	107
9.	66	+	39	=	105
10.	70	+	66	=	136

Oefening 3
1.	57	+	33	=	90
2.	78	+	75	=	153
3.	31	+	23	=	54
4.	67	+	29	=	96
5.	38	+	25	=	63
6.	46	+	38	=	84
7.	100	+	99	=	199
8.	59	+	50	=	109
9.	31	+	25	=	56
10.	66	+	30	=	96

Oefening 4
1.	28	+	23	=	51
2.	91	+	72	=	163
3.	45	+	41	=	86
4.	60	+	35	=	95
5.	57	+	23	=	80
6.	71	+	71	=	142
7.	85	+	72	=	157
8.	62	+	58	=	120
9.	80	+	62	=	142
10.	80	+	74	=	154