Tìm x, biết a, x ×6+167=191 b,x ÷8 ÷6=12 c, 682+x ÷5=718 d,x ÷8-16=37 các bạn giúp mình vs
2 câu trả lời
Đáp án:
a) `x.6+167=191`
`<=>x.6=24`
`<=>x=4`
b) `x:8:6=12`
`<=>x:8=72`
`<=>x=576`
c) `682+x:5=718`
`<=>x:5=36`
`<=> x=180`
d) `x:8-16=37`
`<=>x:8=53`
`<=>x=424`
$\text{*Khiên}$
Giải thích các bước giải:
a, $x^{}$ x $6^{}$ + $167^{}$ = $191^{}$
$x^{}$ x $6^{}$ = $191^{}$ - $167^{}$
$x^{}$ x $6^{}$ = $24^{}$
$x^{}$ = $24^{}$ : $6^{}$
$x^{}$ = $4^{}$
b, $x^{}$ : $8^{}$ : $6^{}$ = $12^{}$
$x^{}$ : $8^{}$ = $12^{}$ x $6^{}$
$x^{}$ : $8^{}$ = $72^{}$
$x^{}$ = $72^{}$ x $8^{}$
$x^{}$ = $576^{}$
c, $682^{}$ + $x^{}$ : $5^{}$ = $718^{}$
$x^{}$ : $5^{}$ = $718^{}$ - $682^{}$
$x^{}$ : $5^{}$ = $36^{}$
$x^{}$ = $36^{}$ x $5^{}$
$x^{}$ = $180^{}$
d, $x^{}$ : $8^{}$ - $16^{}$ = $37^{}$
$x^{}$ : $8^{}$ = $37^{}$ + $16^{}$
$x^{}$ : $8^{}$ = $53^{}$
$x^{}$ = $53^{}$ x $8^{}$
$x^{}$ = $424^{}$
@Saphire