a) `2,5÷7,5=x÷3/5` `⇒ 1/3=x÷3/5` `⇒ x=1/3 . 3/5` `⇒ x=1/5` b) `2 2/3 ÷x=1 7/9 ÷0,2` `⇒ 8/3 ÷x=16/9 ÷0,2` `⇒ 8/3 ÷x=80/9` `⇒ x=8/3 ÷80/9` `⇒ x=3/10` Reply
` a) ` ` 2,5 : 7,5 = x : 3/5 ` ` <=> x : 3/5 = 1/3 ` ` <=> x = 1/3 . 3/5 ` ` <=> x = 1/5 ` ` b) ` ` 2 2/3 : x = 1 7/9 : 0,2 ` ` <=> 8/3 : x = 16/9 : 1/5 ` ` <=> 8/3 : x = 16/9 . 5 ` ` <=> 8/3 : x = 80/9 ` ` <=> x = 8/3 . 9/80 ` ` <=> x = 3/10 ` Reply
a) `2,5÷7,5=x÷3/5`
`⇒ 1/3=x÷3/5`
`⇒ x=1/3 . 3/5`
`⇒ x=1/5`
b) `2 2/3 ÷x=1 7/9 ÷0,2`
`⇒ 8/3 ÷x=16/9 ÷0,2`
`⇒ 8/3 ÷x=80/9`
`⇒ x=8/3 ÷80/9`
`⇒ x=3/10`
` a) ` ` 2,5 : 7,5 = x : 3/5 `
` <=> x : 3/5 = 1/3 `
` <=> x = 1/3 . 3/5 `
` <=> x = 1/5 `
` b) ` ` 2 2/3 : x = 1 7/9 : 0,2 `
` <=> 8/3 : x = 16/9 : 1/5 `
` <=> 8/3 : x = 16/9 . 5 `
` <=> 8/3 : x = 80/9 `
` <=> x = 8/3 . 9/80 `
` <=> x = 3/10 `