Question

AMORES ME AJUDEM E URGENTE
EFETUE:
A)0,2+3/4+1/2-1/4
B)1/2+(-0,3)+1/6
C)1/5+1/25+(0,6)
​

Answer 1

Resposta:

A)0,2+3/4+1/2-1/4

=2/10 +3/4+1/2-1/4

=2/10 +3/4+2/4-1/4

=2/10 +3/4+1/4

=2/10 +4/4

=1/5+1

=1/5+5/5

=6/5

B)

1/2+(-0,3)+1/6

=1/2-3/10+1/6

=15/30-9/30+5/30

=(15-9+5)/30

=11/30

C)

1/5+1/25+(0,6)

=5/25+1/25+6/10

=5/25+1/25+3/5

=5/25+1/25+15/25

=(5+1+15)/25

=21/25