Tìm y : . 3/5 – 1/3 x (2,48 + 0,52) x y : 60 : 5 = 1/5 07/08/2021 Bởi Samantha Tìm y : . 3/5 – 1/3 x (2,48 + 0,52) x y : 60 : 5 = 1/5
Đáp án: `3/5 – 1/3 × (2,48 + 0,52) × y : 60 : 5 = 1/5` `3/5 – 1/3 × 3 × y : 12 = 1/5` `3/5 – 1 × y : 12 = 1/5` `3/5 – y : 12 = 1/5` `y : 12 = 3/5 – 1/5` `y : 12 = 2/5` `y = 2/5 × 12` `y = 24/5` Bình luận
Đáp án:
`3/5 – 1/3 × (2,48 + 0,52) × y : 60 : 5 = 1/5`
`3/5 – 1/3 × 3 × y : 12 = 1/5`
`3/5 – 1 × y : 12 = 1/5`
`3/5 – y : 12 = 1/5`
`y : 12 = 3/5 – 1/5`
`y : 12 = 2/5`
`y = 2/5 × 12`
`y = 24/5`
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