Question

A = (3,12 – 1,5) × (2,3 + 1,6) B = 3,8 + {5,3 – [2,9 – (3,1 – 2,3)]}
A+B

Answer 1

Respuesta:

A=(3.12 - 1.5) ×(2.3 + 1.6)

A= ( 1.6) × ( 3.9)

A=6.318

B= 3.8 + (5,3 – [2,9 – (3,1 – 2,3)]}

B= 3.8 + ( 5.3, - (2.9 - ( 0.8)

B= 3.8 + (5.3 - (2.1)

B=3.8 + ( 3.2)

B=7

A+B) =6.318 +7

A+B=13.318