Question

2)calcule:

A) 5+1/2÷3/4+1/2
B)(1/2-1/3)÷1/6+2
C)(5+1/2)÷7/2+1/3
D)(1/5+1/2)×3/10-1/100
E)(4/3+2/5)-(3×1/2-1/5)
G)(1/5+1-7/8)÷(1/6+2/3+2/9)
H)1+{15/4-[(1/2)²÷(3/4+1²)]}
I)(1/9+1/3+1/6)²
-----------------
1/2+2/3

Answer 1

A) 5 + 1/2  : 3/4 + 1/2 = 
m.m.c = 2
10/2 + 1/2  :  3/4 + 1/2 = 
11/2 : 3/4 + 1/2 = 
m.m.c(2,4) = 4
11/2  + 3/4 + 2/4 = 
11/2  :  6/4 = 
11/2  x  4/6  = 44/ 12  simplifica por 4 = 11/ 3