705*1/45-336*1/45
=1/45*(705-336)
=1/45*369
=8.2=82/10=820/100=...
* là nhân nha =)))
705 : 45 - 336 : 45
= ( 705 - 336 ) : 45
= 369 : 45
= 8,2
~ CHÚC BN HC TỐT NHA ❤ ❤ ❤ ~
\(705\div45-336\div45\)
\(\Rightarrow\left(705-336\right)\div45\)
\(\Rightarrow369\div45\)
\(\Rightarrow8,2\)
\(HT\)