Question

Tính giá trị biểu thức

    a) 9 × (175 – 63)           b) (16 + 64) : 4 x 2

Answer 1

`9 xx ( 175 -63)`

`=9 xx112`

`=1008`

`----`

`(16 + 64):4 xx 2`

`= 80:4 xx 2`

`= 20 xx 2`

`=40`

Answer 2

a)\(9\times\left(175-63\right)\)
\(=9\times112\)
\(=1008\)
b)\(\left(16+64\right):4\times2\)
\(=80:4\times2\)
\(=20\times2\)
\(=40\)

Answer 3

\(a,9.\left(175-63\right)\)

\(=9.112\)

\(=1008\)

\(b,\left(16+64\right):4.2\)

\(=80:4.2\)

\(=20.2\)

\(=40\)

 

Answer 4

$.9x\left(175-63\right)$

$=9x112$

$=1008$

$b.\left(16+64\right):4x2$

$=80:4x2$

$=20x2$

$=40$

Answer 5

$a,\; 9x(175-63)$

$=9x112$

$=1008$

−−−−

$b,\; (16+64):4x2$

$=80:4x2$

$=20x2$

$=40$