Răspuns :
( a + 6,75) :2 = 7,075
a + 6,75 = 7,075 x 2
a + 6,75 = 14,15
a = 14,15 - 6,75
a = 7,4
a + 6,75 = 7,075 x 2
a + 6,75 = 14,15
a = 14,15 - 6,75
a = 7,4
a+b
___=7,075. a=6,75. 1)a+b=7,075×2=14,150. 2)b=a+b-a=14,150-6,75=7,400
2
___=7,075. a=6,75. 1)a+b=7,075×2=14,150. 2)b=a+b-a=14,150-6,75=7,400
2