Toán Lớp 8: Thực hiện phép tính
( 3x + 5 ) – ( 5 + 3x)
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Toán Lớp 8: Thực hiện phép tính
( 3x + 5 ) – ( 5 + 3x)
Comments ( 2 )
$\text{(3x + 5) – (5 + 3x)}$
$\text{= 3x + 5 – 5 – 3x}$
$\text{= (3x – 3x) + (5 – 5)}$
$\text{= 0}$
$\textit{Ha1zzz}$
( 3x + 5 ) – ( 5 + 3x)
=3x+5-5-3x
=(3x-3x)+(5-5)
=0+0
=0