5 mũ 20 : ( 5 mũ 15 . 6 + 5 mũ 15 . 19 ) 03/08/2021 Bởi Ariana 5 mũ 20 : ( 5 mũ 15 . 6 + 5 mũ 15 . 19 )
` $5^{20}$ :($5^{15}$ .6+$5^{15}$ .19)` `$5^{20}$ :[$5^{15}$ +(6+19)]` `$5^{20}$ :[$5^{15}$*25]` `$5^{15}$ :$5^{17}$ ` `$5^{3}$ ` `125` Bình luận
$5^{20}÷(5^{15}.6+5^{15}.19).$ $=5^{20}÷[5^{15}.(6+19)].$ $=5^{20}÷[5^{15}.25].$ $=5^{20}÷[5^{15}.5^{2}].$ $=5^{20}÷5^{17}.$ $=5^{3.}$ $=125.$ Bình luận
` $5^{20}$ :($5^{15}$ .6+$5^{15}$ .19)`
`$5^{20}$ :[$5^{15}$ +(6+19)]`
`$5^{20}$ :[$5^{15}$*25]`
`$5^{15}$ :$5^{17}$ `
`$5^{3}$ `
`125`
$5^{20}÷(5^{15}.6+5^{15}.19).$
$=5^{20}÷[5^{15}.(6+19)].$
$=5^{20}÷[5^{15}.25].$
$=5^{20}÷[5^{15}.5^{2}].$
$=5^{20}÷5^{17}.$
$=5^{3.}$
$=125.$