Question

AYUDAAA

Resuleve: HAS EL PLANTEO DE CADA OPERACIÓN COMBINADA

A) 3.5-7+2.(4+2.1)=

B) 3+[4-3.1+(5+3.2)]=

Answer 1

Respuesta:

A)3.5-7+2.(4+2.1)

=3.5-7+2.8

=15-7+2.8

=8-7+2.8

=1+2.8

=3.8

=24

B)3+[4-3.1+(5+3.2)]

=3+[1.1+(8.2)]

=3+[1+16]

=3+17

=20